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https://https.git.savannah.gnu.org/git/bash.git
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commit bash-20180316 snapshot
This commit is contained in:
Chet Ramey
@@ -15068,4 +15068,23 @@ variables.c
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discussion started by Nikolai Kondrashov <spbnick@gmail.com> back
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on 2/11/2018
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3/13
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----
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subst.c
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- expand_word_list_internal: short-circuit and exit right away if a
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variable assignment preceding a special builtin fails in posix mode
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- expand_word_list_internal: if a variable assignment precedes an
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empty command name (after expansion), fix to exit right away when
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the shell is in posix mode
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3/15
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----
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doc/{bash.1,bashref.texi}
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- Add text to Pathname Expansion clarifying that a slash must be
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matched by a slash in the pattern when matching pathnames, but
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not in other matching contexts. Suggested by <stormy1777@yahoo.com>
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builtins/common.c
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- read_octal: allow octal numbers greater than 777 to accommodate
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modes and umasks that include sticky/setuid/setgid bits. Report
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and fix from Martijn Dekker <martijn@inlv.org>
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@@ -980,6 +980,7 @@ tests/errors3.sub f
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tests/errors4.sub f
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tests/errors5.sub f
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tests/errors6.sub f
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tests/errors7.sub f
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tests/execscript f
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tests/exec.right f
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tests/exec1.sub f 755
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@@ -1008,6 +1009,7 @@ tests/exp8.sub f
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tests/exp9.sub f
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tests/exp10.sub f
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tests/exp11.sub f
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tests/exp12.sub f
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tests/exportfunc.tests f
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tests/exportfunc.right f
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tests/exportfunc1.sub f
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@@ -1024,6 +1026,7 @@ tests/extglob3.sub f
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tests/extglob3.tests f
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tests/extglob3.right f
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tests/extglob4.sub f
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tests/extglob5.sub f
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tests/func.tests f
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tests/func.right f
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tests/func1.sub f
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@@ -1139,6 +1142,7 @@ tests/new-exp7.sub f
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tests/new-exp8.sub f
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tests/new-exp9.sub f
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tests/new-exp10.sub f
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tests/new-exp11.sub f
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tests/new-exp.right f
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tests/nquote.tests f
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tests/nquote.right f
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@@ -1351,6 +1355,7 @@ tests/varenv7.sub f
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tests/varenv8.sub f
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tests/varenv9.sub f
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tests/varenv10.sub f
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tests/varenv11.sub f
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tests/version f
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tests/version.mini f
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tests/vredir.tests f
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+2
-2
@@ -1,4 +1,4 @@
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# Makefile for bash-5.0, version 4.23
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# Makefile for bash-5.0, version 4.25
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#
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# Copyright (C) 1996-2018 Free Software Foundation, Inc.
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@@ -609,7 +609,7 @@ asan:
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# cheating
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gcov:
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${MAKE} ${MFLAGS} ADDON_CFLAGS='${GCOV_XCFLAGS}' ADDON_LDFLAGS='${GCOV_XLDFLAGS}' .made
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${MAKE} ${MFLAGS} CFLAGS=-g ADDON_CFLAGS='${GCOV_XCFLAGS}' ADDON_LDFLAGS='${GCOV_XLDFLAGS}' .made
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||||
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# have to make this separate because making tests depend on $(PROGRAM)
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+1
-1
@@ -537,7 +537,7 @@ read_octal (string)
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{
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digits++;
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result = (result * 8) + (*string++ - '0');
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if (result > 0777)
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if (result > 07777)
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||||
return -1;
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||||
}
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||||
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|
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+143
-135
@@ -457,24 +457,24 @@ SSHHEELLLL GGRRAAMMMMAARR
|
||||
|
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ccaassee _w_o_r_d iinn [ [(] _p_a_t_t_e_r_n [ || _p_a_t_t_e_r_n ] ... ) _l_i_s_t ;; ] ... eessaacc
|
||||
A ccaassee command first expands _w_o_r_d, and tries to match it against
|
||||
each _p_a_t_t_e_r_n in turn, using the same matching rules as for path-
|
||||
name expansion (see PPaatthhnnaammee EExxppaannssiioonn below). The _w_o_r_d is
|
||||
expanded using tilde expansion, parameter and variable expan-
|
||||
sion, arithmetic expansion, command substitution, process sub-
|
||||
stitution and quote removal. Each _p_a_t_t_e_r_n examined is expanded
|
||||
using tilde expansion, parameter and variable expansion, arith-
|
||||
metic expansion, command substitution, and process substitution.
|
||||
If the nnooccaasseemmaattcchh shell option is enabled, the match is per-
|
||||
formed without regard to the case of alphabetic characters.
|
||||
When a match is found, the corresponding _l_i_s_t is executed. If
|
||||
the ;;;; operator is used, no subsequent matches are attempted
|
||||
after the first pattern match. Using ;;&& in place of ;;;; causes
|
||||
execution to continue with the _l_i_s_t associated with the next set
|
||||
of patterns. Using ;;;;&& in place of ;;;; causes the shell to test
|
||||
the next pattern list in the statement, if any, and execute any
|
||||
associated _l_i_s_t on a successful match. The exit status is zero
|
||||
if no pattern matches. Otherwise, it is the exit status of the
|
||||
last command executed in _l_i_s_t.
|
||||
each _p_a_t_t_e_r_n in turn, using the matching rules described under
|
||||
PPaatttteerrnn MMaattcchhiinngg below. The _w_o_r_d is expanded using tilde expan-
|
||||
sion, parameter and variable expansion, arithmetic expansion,
|
||||
command substitution, process substitution and quote removal.
|
||||
Each _p_a_t_t_e_r_n examined is expanded using tilde expansion, parame-
|
||||
ter and variable expansion, arithmetic expansion, command sub-
|
||||
stitution, and process substitution. If the nnooccaasseemmaattcchh shell
|
||||
option is enabled, the match is performed without regard to the
|
||||
case of alphabetic characters. When a match is found, the cor-
|
||||
responding _l_i_s_t is executed. If the ;;;; operator is used, no
|
||||
subsequent matches are attempted after the first pattern match.
|
||||
Using ;;&& in place of ;;;; causes execution to continue with the
|
||||
_l_i_s_t associated with the next set of patterns. Using ;;;;&& in
|
||||
place of ;;;; causes the shell to test the next pattern list in
|
||||
the statement, if any, and execute any associated _l_i_s_t on a suc-
|
||||
cessful match. The exit status is zero if no pattern matches.
|
||||
Otherwise, it is the exit status of the last command executed in
|
||||
_l_i_s_t.
|
||||
|
||||
iiff _l_i_s_t; tthheenn _l_i_s_t; [ eelliiff _l_i_s_t; tthheenn _l_i_s_t; ] ... [ eellssee _l_i_s_t; ] ffii
|
||||
The iiff _l_i_s_t is executed. If its exit status is zero, the tthheenn
|
||||
@@ -1710,100 +1710,105 @@ EEXXPPAANNSSIIOONN
|
||||
${_p_a_r_a_m_e_t_e_r##_w_o_r_d}
|
||||
${_p_a_r_a_m_e_t_e_r####_w_o_r_d}
|
||||
RReemmoovvee mmaattcchhiinngg pprreeffiixx ppaatttteerrnn. The _w_o_r_d is expanded to produce
|
||||
a pattern just as in pathname expansion. If the pattern matches
|
||||
the beginning of the value of _p_a_r_a_m_e_t_e_r, then the result of the
|
||||
a pattern just as in pathname expansion, and matched against the
|
||||
expanded value of _p_a_r_a_m_e_t_e_r using the rules described under PPaatt--
|
||||
tteerrnn MMaattcchhiinngg below. If the pattern matches the beginning of
|
||||
the value of _p_a_r_a_m_e_t_e_r, then the result of the expansion is the
|
||||
expanded value of _p_a_r_a_m_e_t_e_r with the shortest matching pattern
|
||||
(the ``##'' case) or the longest matching pattern (the ``####''
|
||||
case) deleted. If _p_a_r_a_m_e_t_e_r is @@ or **, the pattern removal
|
||||
operation is applied to each positional parameter in turn, and
|
||||
the expansion is the resultant list. If _p_a_r_a_m_e_t_e_r is an array
|
||||
variable subscripted with @@ or **, the pattern removal operation
|
||||
is applied to each member of the array in turn, and the expan-
|
||||
sion is the resultant list.
|
||||
|
||||
${_p_a_r_a_m_e_t_e_r%%_w_o_r_d}
|
||||
${_p_a_r_a_m_e_t_e_r%%%%_w_o_r_d}
|
||||
RReemmoovvee mmaattcchhiinngg ssuuffffiixx ppaatttteerrnn. The _w_o_r_d is expanded to produce
|
||||
a pattern just as in pathname expansion, and matched against the
|
||||
expanded value of _p_a_r_a_m_e_t_e_r using the rules described under PPaatt--
|
||||
tteerrnn MMaattcchhiinngg below. If the pattern matches a trailing portion
|
||||
of the expanded value of _p_a_r_a_m_e_t_e_r, then the result of the
|
||||
expansion is the expanded value of _p_a_r_a_m_e_t_e_r with the shortest
|
||||
matching pattern (the ``##'' case) or the longest matching pat-
|
||||
tern (the ``####'' case) deleted. If _p_a_r_a_m_e_t_e_r is @@ or **, the
|
||||
matching pattern (the ``%%'' case) or the longest matching pat-
|
||||
tern (the ``%%%%'' case) deleted. If _p_a_r_a_m_e_t_e_r is @@ or **, the
|
||||
pattern removal operation is applied to each positional parame-
|
||||
ter in turn, and the expansion is the resultant list. If _p_a_r_a_m_-
|
||||
_e_t_e_r is an array variable subscripted with @@ or **, the pattern
|
||||
removal operation is applied to each member of the array in
|
||||
turn, and the expansion is the resultant list.
|
||||
|
||||
${_p_a_r_a_m_e_t_e_r%%_w_o_r_d}
|
||||
${_p_a_r_a_m_e_t_e_r%%%%_w_o_r_d}
|
||||
RReemmoovvee mmaattcchhiinngg ssuuffffiixx ppaatttteerrnn. The _w_o_r_d is expanded to produce
|
||||
a pattern just as in pathname expansion. If the pattern matches
|
||||
a trailing portion of the expanded value of _p_a_r_a_m_e_t_e_r, then the
|
||||
result of the expansion is the expanded value of _p_a_r_a_m_e_t_e_r with
|
||||
the shortest matching pattern (the ``%%'' case) or the longest
|
||||
matching pattern (the ``%%%%'' case) deleted. If _p_a_r_a_m_e_t_e_r is @@
|
||||
or **, the pattern removal operation is applied to each posi-
|
||||
tional parameter in turn, and the expansion is the resultant
|
||||
list. If _p_a_r_a_m_e_t_e_r is an array variable subscripted with @@ or
|
||||
**, the pattern removal operation is applied to each member of
|
||||
the array in turn, and the expansion is the resultant list.
|
||||
|
||||
${_p_a_r_a_m_e_t_e_r//_p_a_t_t_e_r_n//_s_t_r_i_n_g}
|
||||
PPaatttteerrnn ssuubbssttiittuuttiioonn. The _p_a_t_t_e_r_n is expanded to produce a pat-
|
||||
tern just as in pathname expansion. _P_a_r_a_m_e_t_e_r is expanded and
|
||||
tern just as in pathname expansion, _P_a_r_a_m_e_t_e_r is expanded and
|
||||
the longest match of _p_a_t_t_e_r_n against its value is replaced with
|
||||
_s_t_r_i_n_g. If _p_a_t_t_e_r_n begins with //, all matches of _p_a_t_t_e_r_n are
|
||||
replaced with _s_t_r_i_n_g. Normally only the first match is
|
||||
replaced. If _p_a_t_t_e_r_n begins with ##, it must match at the begin-
|
||||
ning of the expanded value of _p_a_r_a_m_e_t_e_r. If _p_a_t_t_e_r_n begins with
|
||||
%%, it must match at the end of the expanded value of _p_a_r_a_m_e_t_e_r.
|
||||
If _s_t_r_i_n_g is null, matches of _p_a_t_t_e_r_n are deleted and the // fol-
|
||||
lowing _p_a_t_t_e_r_n may be omitted. If the nnooccaasseemmaattcchh shell option
|
||||
is enabled, the match is performed without regard to the case of
|
||||
alphabetic characters. If _p_a_r_a_m_e_t_e_r is @@ or **, the substitution
|
||||
operation is applied to each positional parameter in turn, and
|
||||
the expansion is the resultant list. If _p_a_r_a_m_e_t_e_r is an array
|
||||
variable subscripted with @@ or **, the substitution operation is
|
||||
applied to each member of the array in turn, and the expansion
|
||||
is the resultant list.
|
||||
_s_t_r_i_n_g. The match is performed using the rules described under
|
||||
PPaatttteerrnn MMaattcchhiinngg below. If _p_a_t_t_e_r_n begins with //, all matches
|
||||
of _p_a_t_t_e_r_n are replaced with _s_t_r_i_n_g. Normally only the first
|
||||
match is replaced. If _p_a_t_t_e_r_n begins with ##, it must match at
|
||||
the beginning of the expanded value of _p_a_r_a_m_e_t_e_r. If _p_a_t_t_e_r_n
|
||||
begins with %%, it must match at the end of the expanded value of
|
||||
_p_a_r_a_m_e_t_e_r. If _s_t_r_i_n_g is null, matches of _p_a_t_t_e_r_n are deleted
|
||||
and the // following _p_a_t_t_e_r_n may be omitted. If the nnooccaasseemmaattcchh
|
||||
shell option is enabled, the match is performed without regard
|
||||
to the case of alphabetic characters. If _p_a_r_a_m_e_t_e_r is @@ or **,
|
||||
the substitution operation is applied to each positional parame-
|
||||
ter in turn, and the expansion is the resultant list. If _p_a_r_a_m_-
|
||||
_e_t_e_r is an array variable subscripted with @@ or **, the substitu-
|
||||
tion operation is applied to each member of the array in turn,
|
||||
and the expansion is the resultant list.
|
||||
|
||||
${_p_a_r_a_m_e_t_e_r^^_p_a_t_t_e_r_n}
|
||||
${_p_a_r_a_m_e_t_e_r^^^^_p_a_t_t_e_r_n}
|
||||
${_p_a_r_a_m_e_t_e_r,,_p_a_t_t_e_r_n}
|
||||
${_p_a_r_a_m_e_t_e_r,,,,_p_a_t_t_e_r_n}
|
||||
CCaassee mmooddiiffiiccaattiioonn. This expansion modifies the case of alpha-
|
||||
betic characters in _p_a_r_a_m_e_t_e_r. The _p_a_t_t_e_r_n is expanded to pro-
|
||||
CCaassee mmooddiiffiiccaattiioonn. This expansion modifies the case of alpha-
|
||||
betic characters in _p_a_r_a_m_e_t_e_r. The _p_a_t_t_e_r_n is expanded to pro-
|
||||
duce a pattern just as in pathname expansion. Each character in
|
||||
the expanded value of _p_a_r_a_m_e_t_e_r is tested against _p_a_t_t_e_r_n, and,
|
||||
if it matches the pattern, its case is converted. The pattern
|
||||
should not attempt to match more than one character. The ^^
|
||||
operator converts lowercase letters matching _p_a_t_t_e_r_n to upper-
|
||||
the expanded value of _p_a_r_a_m_e_t_e_r is tested against _p_a_t_t_e_r_n, and,
|
||||
if it matches the pattern, its case is converted. The pattern
|
||||
should not attempt to match more than one character. The ^^
|
||||
operator converts lowercase letters matching _p_a_t_t_e_r_n to upper-
|
||||
case; the ,, operator converts matching uppercase letters to low-
|
||||
ercase. The ^^^^ and ,,,, expansions convert each matched character
|
||||
in the expanded value; the ^^ and ,, expansions match and convert
|
||||
only the first character in the expanded value. If _p_a_t_t_e_r_n is
|
||||
omitted, it is treated like a ??, which matches every character.
|
||||
If _p_a_r_a_m_e_t_e_r is @@ or **, the case modification operation is
|
||||
applied to each positional parameter in turn, and the expansion
|
||||
is the resultant list. If _p_a_r_a_m_e_t_e_r is an array variable sub-
|
||||
in the expanded value; the ^^ and ,, expansions match and convert
|
||||
only the first character in the expanded value. If _p_a_t_t_e_r_n is
|
||||
omitted, it is treated like a ??, which matches every character.
|
||||
If _p_a_r_a_m_e_t_e_r is @@ or **, the case modification operation is
|
||||
applied to each positional parameter in turn, and the expansion
|
||||
is the resultant list. If _p_a_r_a_m_e_t_e_r is an array variable sub-
|
||||
scripted with @@ or **, the case modification operation is applied
|
||||
to each member of the array in turn, and the expansion is the
|
||||
to each member of the array in turn, and the expansion is the
|
||||
resultant list.
|
||||
|
||||
${_p_a_r_a_m_e_t_e_r@@_o_p_e_r_a_t_o_r}
|
||||
PPaarraammeetteerr ttrraannssffoorrmmaattiioonn. The expansion is either a transforma-
|
||||
tion of the value of _p_a_r_a_m_e_t_e_r or information about _p_a_r_a_m_e_t_e_r
|
||||
itself, depending on the value of _o_p_e_r_a_t_o_r. Each _o_p_e_r_a_t_o_r is a
|
||||
tion of the value of _p_a_r_a_m_e_t_e_r or information about _p_a_r_a_m_e_t_e_r
|
||||
itself, depending on the value of _o_p_e_r_a_t_o_r. Each _o_p_e_r_a_t_o_r is a
|
||||
single letter:
|
||||
|
||||
QQ The expansion is a string that is the value of _p_a_r_a_m_e_t_e_r
|
||||
QQ The expansion is a string that is the value of _p_a_r_a_m_e_t_e_r
|
||||
quoted in a format that can be reused as input.
|
||||
EE The expansion is a string that is the value of _p_a_r_a_m_e_t_e_r
|
||||
with backslash escape sequences expanded as with the
|
||||
EE The expansion is a string that is the value of _p_a_r_a_m_e_t_e_r
|
||||
with backslash escape sequences expanded as with the
|
||||
$$''......'' quoting mechanism.
|
||||
PP The expansion is a string that is the result of expanding
|
||||
the value of _p_a_r_a_m_e_t_e_r as if it were a prompt string (see
|
||||
PPRROOMMPPTTIINNGG below).
|
||||
AA The expansion is a string in the form of an assignment
|
||||
statement or ddeeccllaarree command that, if evaluated, will
|
||||
AA The expansion is a string in the form of an assignment
|
||||
statement or ddeeccllaarree command that, if evaluated, will
|
||||
recreate _p_a_r_a_m_e_t_e_r with its attributes and value.
|
||||
aa The expansion is a string consisting of flag values rep-
|
||||
aa The expansion is a string consisting of flag values rep-
|
||||
resenting _p_a_r_a_m_e_t_e_r's attributes.
|
||||
|
||||
If _p_a_r_a_m_e_t_e_r is @@ or **, the operation is applied to each posi-
|
||||
tional parameter in turn, and the expansion is the resultant
|
||||
list. If _p_a_r_a_m_e_t_e_r is an array variable subscripted with @@ or
|
||||
If _p_a_r_a_m_e_t_e_r is @@ or **, the operation is applied to each posi-
|
||||
tional parameter in turn, and the expansion is the resultant
|
||||
list. If _p_a_r_a_m_e_t_e_r is an array variable subscripted with @@ or
|
||||
**, the operation is applied to each member of the array in turn,
|
||||
and the expansion is the resultant list.
|
||||
|
||||
The result of the expansion is subject to word splitting and
|
||||
The result of the expansion is subject to word splitting and
|
||||
pathname expansion as described below.
|
||||
|
||||
CCoommmmaanndd SSuubbssttiittuuttiioonn
|
||||
@@ -1817,106 +1822,109 @@ EEXXPPAANNSSIIOONN
|
||||
BBaasshh performs the expansion by executing _c_o_m_m_a_n_d in a subshell environ-
|
||||
ment and replacing the command substitution with the standard output of
|
||||
the command, with any trailing newlines deleted. Embedded newlines are
|
||||
not deleted, but they may be removed during word splitting. The com-
|
||||
mand substitution $$((ccaatt _f_i_l_e)) can be replaced by the equivalent but
|
||||
not deleted, but they may be removed during word splitting. The com-
|
||||
mand substitution $$((ccaatt _f_i_l_e)) can be replaced by the equivalent but
|
||||
faster $$((<< _f_i_l_e)).
|
||||
|
||||
When the old-style backquote form of substitution is used, backslash
|
||||
retains its literal meaning except when followed by $$, ``, or \\. The
|
||||
When the old-style backquote form of substitution is used, backslash
|
||||
retains its literal meaning except when followed by $$, ``, or \\. The
|
||||
first backquote not preceded by a backslash terminates the command sub-
|
||||
stitution. When using the $(_c_o_m_m_a_n_d) form, all characters between the
|
||||
stitution. When using the $(_c_o_m_m_a_n_d) form, all characters between the
|
||||
parentheses make up the command; none are treated specially.
|
||||
|
||||
Command substitutions may be nested. To nest when using the backquoted
|
||||
form, escape the inner backquotes with backslashes.
|
||||
|
||||
If the substitution appears within double quotes, word splitting and
|
||||
If the substitution appears within double quotes, word splitting and
|
||||
pathname expansion are not performed on the results.
|
||||
|
||||
AArriitthhmmeettiicc EExxppaannssiioonn
|
||||
Arithmetic expansion allows the evaluation of an arithmetic expression
|
||||
and the substitution of the result. The format for arithmetic expan-
|
||||
Arithmetic expansion allows the evaluation of an arithmetic expression
|
||||
and the substitution of the result. The format for arithmetic expan-
|
||||
sion is:
|
||||
|
||||
$$((((_e_x_p_r_e_s_s_i_o_n))))
|
||||
|
||||
The _e_x_p_r_e_s_s_i_o_n is treated as if it were within double quotes, but a
|
||||
double quote inside the parentheses is not treated specially. All
|
||||
The _e_x_p_r_e_s_s_i_o_n is treated as if it were within double quotes, but a
|
||||
double quote inside the parentheses is not treated specially. All
|
||||
tokens in the expression undergo parameter and variable expansion, com-
|
||||
mand substitution, and quote removal. The result is treated as the
|
||||
arithmetic expression to be evaluated. Arithmetic expansions may be
|
||||
mand substitution, and quote removal. The result is treated as the
|
||||
arithmetic expression to be evaluated. Arithmetic expansions may be
|
||||
nested.
|
||||
|
||||
The evaluation is performed according to the rules listed below under
|
||||
The evaluation is performed according to the rules listed below under
|
||||
AARRIITTHHMMEETTIICC EEVVAALLUUAATTIIOONN. If _e_x_p_r_e_s_s_i_o_n is invalid, bbaasshh prints a message
|
||||
indicating failure and no substitution occurs.
|
||||
|
||||
PPrroocceessss SSuubbssttiittuuttiioonn
|
||||
_P_r_o_c_e_s_s _s_u_b_s_t_i_t_u_t_i_o_n allows a process's input or output to be referred
|
||||
to using a filename. It takes the form of <<((_l_i_s_t)) or >>((_l_i_s_t)). The
|
||||
process _l_i_s_t is run asynchronously, and its input or output appears as
|
||||
_P_r_o_c_e_s_s _s_u_b_s_t_i_t_u_t_i_o_n allows a process's input or output to be referred
|
||||
to using a filename. It takes the form of <<((_l_i_s_t)) or >>((_l_i_s_t)). The
|
||||
process _l_i_s_t is run asynchronously, and its input or output appears as
|
||||
a filename. This filename is passed as an argument to the current com-
|
||||
mand as the result of the expansion. If the >>((_l_i_s_t)) form is used,
|
||||
writing to the file will provide input for _l_i_s_t. If the <<((_l_i_s_t)) form
|
||||
is used, the file passed as an argument should be read to obtain the
|
||||
mand as the result of the expansion. If the >>((_l_i_s_t)) form is used,
|
||||
writing to the file will provide input for _l_i_s_t. If the <<((_l_i_s_t)) form
|
||||
is used, the file passed as an argument should be read to obtain the
|
||||
output of _l_i_s_t. Process substitution is supported on systems that sup-
|
||||
port named pipes (_F_I_F_O_s) or the //ddeevv//ffdd method of naming open files.
|
||||
|
||||
When available, process substitution is performed simultaneously with
|
||||
parameter and variable expansion, command substitution, and arithmetic
|
||||
When available, process substitution is performed simultaneously with
|
||||
parameter and variable expansion, command substitution, and arithmetic
|
||||
expansion.
|
||||
|
||||
WWoorrdd SSpplliittttiinngg
|
||||
The shell scans the results of parameter expansion, command substitu-
|
||||
tion, and arithmetic expansion that did not occur within double quotes
|
||||
The shell scans the results of parameter expansion, command substitu-
|
||||
tion, and arithmetic expansion that did not occur within double quotes
|
||||
for _w_o_r_d _s_p_l_i_t_t_i_n_g.
|
||||
|
||||
The shell treats each character of IIFFSS as a delimiter, and splits the
|
||||
results of the other expansions into words using these characters as
|
||||
field terminators. If IIFFSS is unset, or its value is exactly
|
||||
<<ssppaaccee>><<ttaabb>><<nneewwlliinnee>>, the default, then sequences of <<ssppaaccee>>, <<ttaabb>>,
|
||||
and <<nneewwlliinnee>> at the beginning and end of the results of the previous
|
||||
expansions are ignored, and any sequence of IIFFSS characters not at the
|
||||
beginning or end serves to delimit words. If IIFFSS has a value other
|
||||
than the default, then sequences of the whitespace characters ssppaaccee,
|
||||
ttaabb, and nneewwlliinnee are ignored at the beginning and end of the word, as
|
||||
long as the whitespace character is in the value of IIFFSS (an IIFFSS white-
|
||||
space character). Any character in IIFFSS that is not IIFFSS whitespace,
|
||||
The shell treats each character of IIFFSS as a delimiter, and splits the
|
||||
results of the other expansions into words using these characters as
|
||||
field terminators. If IIFFSS is unset, or its value is exactly
|
||||
<<ssppaaccee>><<ttaabb>><<nneewwlliinnee>>, the default, then sequences of <<ssppaaccee>>, <<ttaabb>>,
|
||||
and <<nneewwlliinnee>> at the beginning and end of the results of the previous
|
||||
expansions are ignored, and any sequence of IIFFSS characters not at the
|
||||
beginning or end serves to delimit words. If IIFFSS has a value other
|
||||
than the default, then sequences of the whitespace characters ssppaaccee,
|
||||
ttaabb, and nneewwlliinnee are ignored at the beginning and end of the word, as
|
||||
long as the whitespace character is in the value of IIFFSS (an IIFFSS white-
|
||||
space character). Any character in IIFFSS that is not IIFFSS whitespace,
|
||||
along with any adjacent IIFFSS whitespace characters, delimits a field. A
|
||||
sequence of IIFFSS whitespace characters is also treated as a delimiter.
|
||||
sequence of IIFFSS whitespace characters is also treated as a delimiter.
|
||||
If the value of IIFFSS is null, no word splitting occurs.
|
||||
|
||||
Explicit null arguments ("""" or '''') are retained and passed to commands
|
||||
Explicit null arguments ("""" or '''') are retained and passed to commands
|
||||
as empty strings. Unquoted implicit null arguments, resulting from the
|
||||
expansion of parameters that have no values, are removed. If a parame-
|
||||
ter with no value is expanded within double quotes, a null argument
|
||||
results and is retained and passed to a command as an empty string.
|
||||
When a quoted null argument appears as part of a word whose expansion
|
||||
is non-null, the null argument is removed. That is, the word -d''
|
||||
ter with no value is expanded within double quotes, a null argument
|
||||
results and is retained and passed to a command as an empty string.
|
||||
When a quoted null argument appears as part of a word whose expansion
|
||||
is non-null, the null argument is removed. That is, the word -d''
|
||||
becomes -d after word splitting and null argument removal.
|
||||
|
||||
Note that if no expansion occurs, no splitting is performed.
|
||||
|
||||
PPaatthhnnaammee EExxppaannssiioonn
|
||||
After word splitting, unless the --ff option has been set, bbaasshh scans
|
||||
each word for the characters **, ??, and [[. If one of these characters
|
||||
appears, then the word is regarded as a _p_a_t_t_e_r_n, and replaced with an
|
||||
alphabetically sorted list of filenames matching the pattern (see PPaatt--
|
||||
tteerrnn MMaattcchhiinngg below). If no matching filenames are found, and the
|
||||
shell option nnuullllgglloobb is not enabled, the word is left unchanged. If
|
||||
the nnuullllgglloobb option is set, and no matches are found, the word is
|
||||
removed. If the ffaaiillgglloobb shell option is set, and no matches are
|
||||
After word splitting, unless the --ff option has been set, bbaasshh scans
|
||||
each word for the characters **, ??, and [[. If one of these characters
|
||||
appears, then the word is regarded as a _p_a_t_t_e_r_n, and replaced with an
|
||||
alphabetically sorted list of filenames matching the pattern (see PPaatt--
|
||||
tteerrnn MMaattcchhiinngg below). If no matching filenames are found, and the
|
||||
shell option nnuullllgglloobb is not enabled, the word is left unchanged. If
|
||||
the nnuullllgglloobb option is set, and no matches are found, the word is
|
||||
removed. If the ffaaiillgglloobb shell option is set, and no matches are
|
||||
found, an error message is printed and the command is not executed. If
|
||||
the shell option nnooccaasseegglloobb is enabled, the match is performed without
|
||||
regard to the case of alphabetic characters. When a pattern is used
|
||||
for pathname expansion, the character ````..'''' at the start of a name or
|
||||
immediately following a slash must be matched explicitly, unless the
|
||||
shell option ddoottgglloobb is set. The filenames ````..'''' and ````....'''' must
|
||||
always be matched explicitly, even if ddoottgglloobb is set. When matching a
|
||||
pathname, the slash character must always be matched explicitly. In
|
||||
other cases, the ````..'''' character is not treated specially. See the
|
||||
description of sshhoopptt below under SSHHEELLLL BBUUIILLTTIINN CCOOMMMMAANNDDSS for a descrip-
|
||||
tion of the nnooccaasseegglloobb, nnuullllgglloobb, ffaaiillgglloobb, and ddoottgglloobb shell options.
|
||||
the shell option nnooccaasseegglloobb is enabled, the match is performed without
|
||||
regard to the case of alphabetic characters. When a pattern is used
|
||||
for pathname expansion, the character ````..'''' at the start of a name or
|
||||
immediately following a slash must be matched explicitly, unless the
|
||||
shell option ddoottgglloobb is set. The filenames ````..'''' and ````....'''' must
|
||||
always be matched explicitly, even if ddoottgglloobb is set. In other cases,
|
||||
the ````..'''' character is not treated specially. When matching a path-
|
||||
name, the slash character must always be matched explicitly by a slash
|
||||
in the pattern, but in other matching contexts it can be matched by a
|
||||
special pattern character as described below under PPaatttteerrnn MMaattcchhiinngg.
|
||||
See the description of sshhoopptt below under SSHHEELLLL BBUUIILLTTIINN CCOOMMMMAANNDDSS for a
|
||||
description of the nnooccaasseegglloobb, nnuullllgglloobb, ffaaiillgglloobb, and ddoottgglloobb shell
|
||||
options.
|
||||
|
||||
The GGLLOOBBIIGGNNOORREE shell variable may be used to restrict the set of file
|
||||
names matching a _p_a_t_t_e_r_n. If GGLLOOBBIIGGNNOORREE is set, each matching file
|
||||
@@ -6106,4 +6114,4 @@ BBUUGGSS
|
||||
|
||||
|
||||
|
||||
GNU Bash 4.4 2018 March 2 BASH(1)
|
||||
GNU Bash 5.0 2018 March 15 BASH(1)
|
||||
|
||||
+33
-11
@@ -5,12 +5,12 @@
|
||||
.\" Case Western Reserve University
|
||||
.\" chet.ramey@case.edu
|
||||
.\"
|
||||
.\" Last Change: Fri Mar 2 16:07:55 EST 2018
|
||||
.\" Last Change: Thu Mar 15 11:30:03 EDT 2018
|
||||
.\"
|
||||
.\" bash_builtins, strip all but Built-Ins section
|
||||
.if \n(zZ=1 .ig zZ
|
||||
.if \n(zY=1 .ig zY
|
||||
.TH BASH 1 "2018 March 2" "GNU Bash 4.4"
|
||||
.TH BASH 1 "2018 March 15" "GNU Bash 5.0"
|
||||
.\"
|
||||
.\" There's some problem with having a `@'
|
||||
.\" in a tagged paragraph with the BSD man macros.
|
||||
@@ -869,10 +869,10 @@ or zero if no commands were executed.
|
||||
\fBcase\fP \fIword\fP \fBin\fP [ [(] \fIpattern\fP [ \fB|\fP \fIpattern\fP ] \
|
||||
... ) \fIlist\fP ;; ] ... \fBesac\fP
|
||||
A \fBcase\fP command first expands \fIword\fP, and tries to match
|
||||
it against each \fIpattern\fP in turn, using the same matching rules
|
||||
as for pathname expansion (see
|
||||
.B Pathname Expansion
|
||||
below).
|
||||
it against each \fIpattern\fP in turn, using the matching rules
|
||||
described under
|
||||
.B Pattern Matching
|
||||
below.
|
||||
The \fIword\fP is expanded using tilde
|
||||
expansion, parameter and variable expansion, arithmetic expansion,
|
||||
command substitution, process substitution and quote removal.
|
||||
@@ -3127,7 +3127,12 @@ ${\fIparameter\fP\fB##\fP\fIword\fP}
|
||||
The
|
||||
.I word
|
||||
is expanded to produce a pattern just as in pathname
|
||||
expansion. If the pattern matches the beginning of
|
||||
expansion, and matched against the expanded value of
|
||||
.I parameter
|
||||
using the rules described under
|
||||
.B Pattern Matching
|
||||
below.
|
||||
If the pattern matches the beginning of
|
||||
the value of
|
||||
.IR parameter ,
|
||||
then the result of the expansion is the expanded value of
|
||||
@@ -3158,7 +3163,11 @@ ${\fIparameter\fP\fB%%\fP\fIword\fP}
|
||||
.PD
|
||||
\fBRemove matching suffix pattern\fP.
|
||||
The \fIword\fP is expanded to produce a pattern just as in
|
||||
pathname expansion.
|
||||
pathname expansion, and matched against the expanded value of
|
||||
.I parameter
|
||||
using the rules described under
|
||||
.B Pattern Matching
|
||||
below.
|
||||
If the pattern matches a trailing portion of the expanded value of
|
||||
.IR parameter ,
|
||||
then the result of the expansion is the expanded value of
|
||||
@@ -3185,9 +3194,12 @@ array in turn, and the expansion is the resultant list.
|
||||
${\fIparameter\fP\fB/\fP\fIpattern\fP\fB/\fP\fIstring\fP}
|
||||
\fBPattern substitution\fP.
|
||||
The \fIpattern\fP is expanded to produce a pattern just as in
|
||||
pathname expansion.
|
||||
pathname expansion,
|
||||
\fIParameter\fP is expanded and the longest match of \fIpattern\fP
|
||||
against its value is replaced with \fIstring\fP.
|
||||
The match is performed using the rules described under
|
||||
.B Pattern Matching
|
||||
below.
|
||||
If \fIpattern\fP begins with \fB/\fP, all matches of \fIpattern\fP are
|
||||
replaced with \fIstring\fP. Normally only the first match is replaced.
|
||||
If \fIpattern\fP begins with \fB#\fP, it must match at the beginning
|
||||
@@ -3533,11 +3545,15 @@ and
|
||||
must always be matched explicitly, even if
|
||||
.B dotglob
|
||||
is set.
|
||||
When matching a pathname, the slash character must always be
|
||||
matched explicitly.
|
||||
In other cases, the
|
||||
.B ``.''
|
||||
character is not treated specially.
|
||||
When matching a pathname, the slash character must always be
|
||||
matched explicitly by a slash in the pattern, but in other matching
|
||||
contexts it can be matched by a special pattern character as described
|
||||
below under
|
||||
.SM
|
||||
.BR "Pattern Matching" .
|
||||
See the description of
|
||||
.B shopt
|
||||
below under
|
||||
@@ -7814,6 +7830,12 @@ The \fIwordlist\fP is split using the characters in the
|
||||
.SM
|
||||
.B IFS
|
||||
special variable as delimiters, and each resultant word is expanded.
|
||||
Shell quoting is honored within \fIwordlist\fP,
|
||||
in order to provide a
|
||||
mechanism for the words to contain shell metacharacters or characters
|
||||
in the value of
|
||||
.SM
|
||||
.BR IFS .
|
||||
The possible completions are the members of the resultant list which
|
||||
match the word being completed.
|
||||
.TP 8
|
||||
|
||||
+34
-12
@@ -3,7 +3,7 @@
|
||||
</HEAD>
|
||||
<BODY><TABLE WIDTH=100%>
|
||||
<TR>
|
||||
<TH ALIGN=LEFT width=33%>BASH(1)<TH ALIGN=CENTER width=33%>2018 March 2<TH ALIGN=RIGHT width=33%>BASH(1)
|
||||
<TH ALIGN=LEFT width=33%>BASH(1)<TH ALIGN=CENTER width=33%>2018 March 15<TH ALIGN=RIGHT width=33%>BASH(1)
|
||||
</TR>
|
||||
</TABLE>
|
||||
<BR><A HREF="#index">Index</A>
|
||||
@@ -1117,11 +1117,11 @@ or zero if no commands were executed.
|
||||
<DT><B>case</B> <I>word</I> <B>in</B> [ [(] <I>pattern</I> [ <B>|</B> <I>pattern</I> ]
|
||||
<DD>
|
||||
A <B>case</B> command first expands <I>word</I>, and tries to match
|
||||
it against each <I>pattern</I> in turn, using the same matching rules
|
||||
as for pathname expansion (see
|
||||
<B>Pathname Expansion</B>
|
||||
it against each <I>pattern</I> in turn, using the matching rules
|
||||
described under
|
||||
<B>Pattern Matching</B>
|
||||
|
||||
below).
|
||||
below.
|
||||
The <I>word</I> is expanded using tilde
|
||||
expansion, parameter and variable expansion, arithmetic expansion,
|
||||
command substitution, process substitution and quote removal.
|
||||
@@ -3931,7 +3931,14 @@ The
|
||||
<I>word</I>
|
||||
|
||||
is expanded to produce a pattern just as in pathname
|
||||
expansion. If the pattern matches the beginning of
|
||||
expansion, and matched against the expanded value of
|
||||
<I>parameter</I>
|
||||
|
||||
using the rules described under
|
||||
<B>Pattern Matching</B>
|
||||
|
||||
below.
|
||||
If the pattern matches the beginning of
|
||||
the value of
|
||||
<I>parameter</I>,
|
||||
|
||||
@@ -3968,7 +3975,13 @@ array in turn, and the expansion is the resultant list.
|
||||
|
||||
<B>Remove matching suffix pattern</B>.
|
||||
The <I>word</I> is expanded to produce a pattern just as in
|
||||
pathname expansion.
|
||||
pathname expansion, and matched against the expanded value of
|
||||
<I>parameter</I>
|
||||
|
||||
using the rules described under
|
||||
<B>Pattern Matching</B>
|
||||
|
||||
below.
|
||||
If the pattern matches a trailing portion of the expanded value of
|
||||
<I>parameter</I>,
|
||||
|
||||
@@ -4002,9 +4015,13 @@ array in turn, and the expansion is the resultant list.
|
||||
<DT>${<I>parameter</I><B>/</B><I>pattern</I><B>/</B><I>string</I>}<DD>
|
||||
<B>Pattern substitution</B>.
|
||||
The <I>pattern</I> is expanded to produce a pattern just as in
|
||||
pathname expansion.
|
||||
pathname expansion,
|
||||
<I>Parameter</I> is expanded and the longest match of <I>pattern</I>
|
||||
against its value is replaced with <I>string</I>.
|
||||
The match is performed using the rules described under
|
||||
<B>Pattern Matching</B>
|
||||
|
||||
below.
|
||||
If <I>pattern</I> begins with <B>/</B>, all matches of <I>pattern</I> are
|
||||
replaced with <I>string</I>. Normally only the first match is replaced.
|
||||
If <I>pattern</I> begins with <B>#</B>, it must match at the beginning
|
||||
@@ -4447,12 +4464,17 @@ must always be matched explicitly, even if
|
||||
<B>dotglob</B>
|
||||
|
||||
is set.
|
||||
When matching a pathname, the slash character must always be
|
||||
matched explicitly.
|
||||
In other cases, the
|
||||
<B>``.''</B>
|
||||
|
||||
character is not treated specially.
|
||||
When matching a pathname, the slash character must always be
|
||||
matched explicitly by a slash in the pattern, but in other matching
|
||||
contexts it can be matched by a special pattern character as described
|
||||
below under
|
||||
<FONT SIZE=-1><B>Pattern Matching</B>.
|
||||
|
||||
</FONT>
|
||||
See the description of
|
||||
<B>shopt</B>
|
||||
|
||||
@@ -13823,7 +13845,7 @@ There may be only one active coprocess at a time.
|
||||
<HR>
|
||||
<TABLE WIDTH=100%>
|
||||
<TR>
|
||||
<TH ALIGN=LEFT width=33%>GNU Bash 4.4<TH ALIGN=CENTER width=33%>2018 March 2<TH ALIGN=RIGHT width=33%>BASH(1)
|
||||
<TH ALIGN=LEFT width=33%>GNU Bash 5.0<TH ALIGN=CENTER width=33%>2018 March 15<TH ALIGN=RIGHT width=33%>BASH(1)
|
||||
</TR>
|
||||
</TABLE>
|
||||
<HR>
|
||||
@@ -13929,6 +13951,6 @@ There may be only one active coprocess at a time.
|
||||
</DL>
|
||||
<HR>
|
||||
This document was created by man2html from bash.1.<BR>
|
||||
Time: 02 March 2018 16:08:40 EST
|
||||
Time: 15 March 2018 14:13:43 EDT
|
||||
</BODY>
|
||||
</HTML>
|
||||
|
||||
+172
-165
@@ -2,10 +2,10 @@ This is bash.info, produced by makeinfo version 6.5 from
|
||||
bashref.texi.
|
||||
|
||||
This text is a brief description of the features that are present in the
|
||||
Bash shell (version 4.4, 2 March 2018).
|
||||
Bash shell (version 5.0, 15 March 2018).
|
||||
|
||||
This is Edition 4.4, last updated 2 March 2018, of 'The GNU Bash
|
||||
Reference Manual', for 'Bash', Version 4.4.
|
||||
This is Edition 5.0, last updated 15 March 2018, of 'The GNU Bash
|
||||
Reference Manual', for 'Bash', Version 5.0.
|
||||
|
||||
Copyright (C) 1988-2018 Free Software Foundation, Inc.
|
||||
|
||||
@@ -27,11 +27,11 @@ Bash Features
|
||||
*************
|
||||
|
||||
This text is a brief description of the features that are present in the
|
||||
Bash shell (version 4.4, 2 March 2018). The Bash home page is
|
||||
Bash shell (version 5.0, 15 March 2018). The Bash home page is
|
||||
<http://www.gnu.org/software/bash/>.
|
||||
|
||||
This is Edition 4.4, last updated 2 March 2018, of 'The GNU Bash
|
||||
Reference Manual', for 'Bash', Version 4.4.
|
||||
This is Edition 5.0, last updated 15 March 2018, of 'The GNU Bash
|
||||
Reference Manual', for 'Bash', Version 5.0.
|
||||
|
||||
Bash contains features that appear in other popular shells, and some
|
||||
features that only appear in Bash. Some of the shells that Bash has
|
||||
@@ -1859,22 +1859,23 @@ omitted, the operator tests only for existence.
|
||||
|
||||
'${PARAMETER#WORD}'
|
||||
'${PARAMETER##WORD}'
|
||||
The WORD is expanded to produce a pattern just as in filename
|
||||
expansion (*note Filename Expansion::). If the pattern matches the
|
||||
beginning of the expanded value of PARAMETER, then the result of
|
||||
the expansion is the expanded value of PARAMETER with the shortest
|
||||
matching pattern (the '#' case) or the longest matching pattern
|
||||
(the '##' case) deleted. If PARAMETER is '@' or '*', the pattern
|
||||
removal operation is applied to each positional parameter in turn,
|
||||
and the expansion is the resultant list. If PARAMETER is an array
|
||||
variable subscripted with '@' or '*', the pattern removal operation
|
||||
is applied to each member of the array in turn, and the expansion
|
||||
is the resultant list.
|
||||
The WORD is expanded to produce a pattern and matched according to
|
||||
the rules described below (*note Pattern Matching::). If the
|
||||
pattern matches the beginning of the expanded value of PARAMETER,
|
||||
then the result of the expansion is the expanded value of PARAMETER
|
||||
with the shortest matching pattern (the '#' case) or the longest
|
||||
matching pattern (the '##' case) deleted. If PARAMETER is '@' or
|
||||
'*', the pattern removal operation is applied to each positional
|
||||
parameter in turn, and the expansion is the resultant list. If
|
||||
PARAMETER is an array variable subscripted with '@' or '*', the
|
||||
pattern removal operation is applied to each member of the array in
|
||||
turn, and the expansion is the resultant list.
|
||||
|
||||
'${PARAMETER%WORD}'
|
||||
'${PARAMETER%%WORD}'
|
||||
The WORD is expanded to produce a pattern just as in filename
|
||||
expansion. If the pattern matches a trailing portion of the
|
||||
The WORD is expanded to produce a pattern and matched according to
|
||||
the rules described below (*note Pattern Matching::). If the
|
||||
pattern matches If the pattern matches a trailing portion of the
|
||||
expanded value of PARAMETER, then the result of the expansion is
|
||||
the value of PARAMETER with the shortest matching pattern (the '%'
|
||||
case) or the longest matching pattern (the '%%' case) deleted. If
|
||||
@@ -1888,21 +1889,23 @@ omitted, the operator tests only for existence.
|
||||
|
||||
The PATTERN is expanded to produce a pattern just as in filename
|
||||
expansion. PARAMETER is expanded and the longest match of PATTERN
|
||||
against its value is replaced with STRING. If PATTERN begins with
|
||||
'/', all matches of PATTERN are replaced with STRING. Normally
|
||||
only the first match is replaced. If PATTERN begins with '#', it
|
||||
must match at the beginning of the expanded value of PARAMETER. If
|
||||
PATTERN begins with '%', it must match at the end of the expanded
|
||||
value of PARAMETER. If STRING is null, matches of PATTERN are
|
||||
deleted and the '/' following PATTERN may be omitted. If the
|
||||
'nocasematch' shell option (see the description of 'shopt' in *note
|
||||
The Shopt Builtin::) is enabled, the match is performed without
|
||||
regard to the case of alphabetic characters. If PARAMETER is '@'
|
||||
or '*', the substitution operation is applied to each positional
|
||||
parameter in turn, and the expansion is the resultant list. If
|
||||
PARAMETER is an array variable subscripted with '@' or '*', the
|
||||
substitution operation is applied to each member of the array in
|
||||
turn, and the expansion is the resultant list.
|
||||
against its value is replaced with STRING. The match is performed
|
||||
according to the rules described below (*note Pattern Matching::).
|
||||
If PATTERN begins with '/', all matches of PATTERN are replaced
|
||||
with STRING. Normally only the first match is replaced. If
|
||||
PATTERN begins with '#', it must match at the beginning of the
|
||||
expanded value of PARAMETER. If PATTERN begins with '%', it must
|
||||
match at the end of the expanded value of PARAMETER. If STRING is
|
||||
null, matches of PATTERN are deleted and the '/' following PATTERN
|
||||
may be omitted. If the 'nocasematch' shell option (see the
|
||||
description of 'shopt' in *note The Shopt Builtin::) is enabled,
|
||||
the match is performed without regard to the case of alphabetic
|
||||
characters. If PARAMETER is '@' or '*', the substitution operation
|
||||
is applied to each positional parameter in turn, and the expansion
|
||||
is the resultant list. If PARAMETER is an array variable
|
||||
subscripted with '@' or '*', the substitution operation is applied
|
||||
to each member of the array in turn, and the expansion is the
|
||||
resultant list.
|
||||
|
||||
'${PARAMETER^PATTERN}'
|
||||
'${PARAMETER^^PATTERN}'
|
||||
@@ -2104,8 +2107,12 @@ performed without regard to the case of alphabetic characters.
|
||||
the start of a filename or immediately following a slash must be matched
|
||||
explicitly, unless the shell option 'dotglob' is set. The filenames '.'
|
||||
and '..' must always be matched explicitly, even if 'dotglob' is set.
|
||||
When matching a filename, the slash character must always be matched
|
||||
explicitly. In other cases, the '.' character is not treated specially.
|
||||
In other cases, the '.' character is not treated specially.
|
||||
|
||||
When matching a filename, the slash character must always be matched
|
||||
explicitly by a slash in the pattern, but in other matching contexts it
|
||||
can be matched by a special pattern character as described below (*note
|
||||
Pattern Matching::).
|
||||
|
||||
See the description of 'shopt' in *note The Shopt Builtin::, for a
|
||||
description of the 'nocaseglob', 'nullglob', 'failglob', and 'dotglob'
|
||||
@@ -11575,134 +11582,134 @@ D.5 Concept Index
|
||||
|
||||
|
||||
Tag Table:
|
||||
Node: Top889
|
||||
Node: Introduction2801
|
||||
Node: What is Bash?3017
|
||||
Node: What is a shell?4131
|
||||
Node: Definitions6669
|
||||
Node: Basic Shell Features9620
|
||||
Node: Shell Syntax10839
|
||||
Node: Shell Operation11865
|
||||
Node: Quoting13158
|
||||
Node: Escape Character14458
|
||||
Node: Single Quotes14943
|
||||
Node: Double Quotes15291
|
||||
Node: ANSI-C Quoting16569
|
||||
Node: Locale Translation17828
|
||||
Node: Comments18724
|
||||
Node: Shell Commands19342
|
||||
Node: Simple Commands20214
|
||||
Node: Pipelines20845
|
||||
Node: Lists23777
|
||||
Node: Compound Commands25516
|
||||
Node: Looping Constructs26528
|
||||
Node: Conditional Constructs29023
|
||||
Node: Command Grouping40078
|
||||
Node: Coprocesses41557
|
||||
Node: GNU Parallel43460
|
||||
Node: Shell Functions47434
|
||||
Node: Shell Parameters54517
|
||||
Node: Positional Parameters58930
|
||||
Node: Special Parameters59830
|
||||
Node: Shell Expansions63167
|
||||
Node: Brace Expansion65290
|
||||
Node: Tilde Expansion68014
|
||||
Node: Shell Parameter Expansion70362
|
||||
Node: Command Substitution84650
|
||||
Node: Arithmetic Expansion86005
|
||||
Node: Process Substitution86937
|
||||
Node: Word Splitting88057
|
||||
Node: Filename Expansion90001
|
||||
Node: Pattern Matching92375
|
||||
Node: Quote Removal96361
|
||||
Node: Redirections96656
|
||||
Node: Executing Commands106214
|
||||
Node: Simple Command Expansion106884
|
||||
Node: Command Search and Execution108814
|
||||
Node: Command Execution Environment111190
|
||||
Node: Environment114174
|
||||
Node: Exit Status115833
|
||||
Node: Signals117503
|
||||
Node: Shell Scripts119470
|
||||
Node: Shell Builtin Commands121985
|
||||
Node: Bourne Shell Builtins124023
|
||||
Node: Bash Builtins144681
|
||||
Node: Modifying Shell Behavior173589
|
||||
Node: The Set Builtin173934
|
||||
Node: The Shopt Builtin184347
|
||||
Node: Special Builtins201217
|
||||
Node: Shell Variables202196
|
||||
Node: Bourne Shell Variables202633
|
||||
Node: Bash Variables204737
|
||||
Node: Bash Features234751
|
||||
Node: Invoking Bash235650
|
||||
Node: Bash Startup Files241636
|
||||
Node: Interactive Shells246739
|
||||
Node: What is an Interactive Shell?247149
|
||||
Node: Is this Shell Interactive?247798
|
||||
Node: Interactive Shell Behavior248613
|
||||
Node: Bash Conditional Expressions252101
|
||||
Node: Shell Arithmetic256467
|
||||
Node: Aliases259284
|
||||
Node: Arrays261832
|
||||
Node: The Directory Stack267198
|
||||
Node: Directory Stack Builtins267982
|
||||
Node: Controlling the Prompt270950
|
||||
Node: The Restricted Shell273712
|
||||
Node: Bash POSIX Mode275537
|
||||
Node: Job Control285888
|
||||
Node: Job Control Basics286348
|
||||
Node: Job Control Builtins291316
|
||||
Node: Job Control Variables296043
|
||||
Node: Command Line Editing297199
|
||||
Node: Introduction and Notation298870
|
||||
Node: Readline Interaction300493
|
||||
Node: Readline Bare Essentials301684
|
||||
Node: Readline Movement Commands303467
|
||||
Node: Readline Killing Commands304427
|
||||
Node: Readline Arguments306345
|
||||
Node: Searching307389
|
||||
Node: Readline Init File309575
|
||||
Node: Readline Init File Syntax310722
|
||||
Node: Conditional Init Constructs331093
|
||||
Node: Sample Init File335289
|
||||
Node: Bindable Readline Commands338406
|
||||
Node: Commands For Moving339610
|
||||
Node: Commands For History341459
|
||||
Node: Commands For Text345754
|
||||
Node: Commands For Killing349143
|
||||
Node: Numeric Arguments351624
|
||||
Node: Commands For Completion352763
|
||||
Node: Keyboard Macros356954
|
||||
Node: Miscellaneous Commands357641
|
||||
Node: Readline vi Mode363594
|
||||
Node: Programmable Completion364501
|
||||
Node: Programmable Completion Builtins371962
|
||||
Node: A Programmable Completion Example381848
|
||||
Node: Using History Interactively387099
|
||||
Node: Bash History Facilities387783
|
||||
Node: Bash History Builtins390788
|
||||
Node: History Interaction395319
|
||||
Node: Event Designators398386
|
||||
Node: Word Designators399605
|
||||
Node: Modifiers401242
|
||||
Node: Installing Bash402644
|
||||
Node: Basic Installation403781
|
||||
Node: Compilers and Options407039
|
||||
Node: Compiling For Multiple Architectures407780
|
||||
Node: Installation Names409473
|
||||
Node: Specifying the System Type410291
|
||||
Node: Sharing Defaults411007
|
||||
Node: Operation Controls411680
|
||||
Node: Optional Features412638
|
||||
Node: Reporting Bugs423164
|
||||
Node: Major Differences From The Bourne Shell424358
|
||||
Node: GNU Free Documentation License441210
|
||||
Node: Indexes466387
|
||||
Node: Builtin Index466841
|
||||
Node: Reserved Word Index473668
|
||||
Node: Variable Index476116
|
||||
Node: Function Index491794
|
||||
Node: Concept Index505097
|
||||
Node: Top891
|
||||
Node: Introduction2805
|
||||
Node: What is Bash?3021
|
||||
Node: What is a shell?4135
|
||||
Node: Definitions6673
|
||||
Node: Basic Shell Features9624
|
||||
Node: Shell Syntax10843
|
||||
Node: Shell Operation11869
|
||||
Node: Quoting13162
|
||||
Node: Escape Character14462
|
||||
Node: Single Quotes14947
|
||||
Node: Double Quotes15295
|
||||
Node: ANSI-C Quoting16573
|
||||
Node: Locale Translation17832
|
||||
Node: Comments18728
|
||||
Node: Shell Commands19346
|
||||
Node: Simple Commands20218
|
||||
Node: Pipelines20849
|
||||
Node: Lists23781
|
||||
Node: Compound Commands25520
|
||||
Node: Looping Constructs26532
|
||||
Node: Conditional Constructs29027
|
||||
Node: Command Grouping40082
|
||||
Node: Coprocesses41561
|
||||
Node: GNU Parallel43464
|
||||
Node: Shell Functions47438
|
||||
Node: Shell Parameters54521
|
||||
Node: Positional Parameters58934
|
||||
Node: Special Parameters59834
|
||||
Node: Shell Expansions63171
|
||||
Node: Brace Expansion65294
|
||||
Node: Tilde Expansion68018
|
||||
Node: Shell Parameter Expansion70366
|
||||
Node: Command Substitution84849
|
||||
Node: Arithmetic Expansion86204
|
||||
Node: Process Substitution87136
|
||||
Node: Word Splitting88256
|
||||
Node: Filename Expansion90200
|
||||
Node: Pattern Matching92730
|
||||
Node: Quote Removal96716
|
||||
Node: Redirections97011
|
||||
Node: Executing Commands106569
|
||||
Node: Simple Command Expansion107239
|
||||
Node: Command Search and Execution109169
|
||||
Node: Command Execution Environment111545
|
||||
Node: Environment114529
|
||||
Node: Exit Status116188
|
||||
Node: Signals117858
|
||||
Node: Shell Scripts119825
|
||||
Node: Shell Builtin Commands122340
|
||||
Node: Bourne Shell Builtins124378
|
||||
Node: Bash Builtins145036
|
||||
Node: Modifying Shell Behavior173944
|
||||
Node: The Set Builtin174289
|
||||
Node: The Shopt Builtin184702
|
||||
Node: Special Builtins201572
|
||||
Node: Shell Variables202551
|
||||
Node: Bourne Shell Variables202988
|
||||
Node: Bash Variables205092
|
||||
Node: Bash Features235106
|
||||
Node: Invoking Bash236005
|
||||
Node: Bash Startup Files241991
|
||||
Node: Interactive Shells247094
|
||||
Node: What is an Interactive Shell?247504
|
||||
Node: Is this Shell Interactive?248153
|
||||
Node: Interactive Shell Behavior248968
|
||||
Node: Bash Conditional Expressions252456
|
||||
Node: Shell Arithmetic256822
|
||||
Node: Aliases259639
|
||||
Node: Arrays262187
|
||||
Node: The Directory Stack267553
|
||||
Node: Directory Stack Builtins268337
|
||||
Node: Controlling the Prompt271305
|
||||
Node: The Restricted Shell274067
|
||||
Node: Bash POSIX Mode275892
|
||||
Node: Job Control286243
|
||||
Node: Job Control Basics286703
|
||||
Node: Job Control Builtins291671
|
||||
Node: Job Control Variables296398
|
||||
Node: Command Line Editing297554
|
||||
Node: Introduction and Notation299225
|
||||
Node: Readline Interaction300848
|
||||
Node: Readline Bare Essentials302039
|
||||
Node: Readline Movement Commands303822
|
||||
Node: Readline Killing Commands304782
|
||||
Node: Readline Arguments306700
|
||||
Node: Searching307744
|
||||
Node: Readline Init File309930
|
||||
Node: Readline Init File Syntax311077
|
||||
Node: Conditional Init Constructs331448
|
||||
Node: Sample Init File335644
|
||||
Node: Bindable Readline Commands338761
|
||||
Node: Commands For Moving339965
|
||||
Node: Commands For History341814
|
||||
Node: Commands For Text346109
|
||||
Node: Commands For Killing349498
|
||||
Node: Numeric Arguments351979
|
||||
Node: Commands For Completion353118
|
||||
Node: Keyboard Macros357309
|
||||
Node: Miscellaneous Commands357996
|
||||
Node: Readline vi Mode363949
|
||||
Node: Programmable Completion364856
|
||||
Node: Programmable Completion Builtins372317
|
||||
Node: A Programmable Completion Example382203
|
||||
Node: Using History Interactively387454
|
||||
Node: Bash History Facilities388138
|
||||
Node: Bash History Builtins391143
|
||||
Node: History Interaction395674
|
||||
Node: Event Designators398741
|
||||
Node: Word Designators399960
|
||||
Node: Modifiers401597
|
||||
Node: Installing Bash402999
|
||||
Node: Basic Installation404136
|
||||
Node: Compilers and Options407394
|
||||
Node: Compiling For Multiple Architectures408135
|
||||
Node: Installation Names409828
|
||||
Node: Specifying the System Type410646
|
||||
Node: Sharing Defaults411362
|
||||
Node: Operation Controls412035
|
||||
Node: Optional Features412993
|
||||
Node: Reporting Bugs423519
|
||||
Node: Major Differences From The Bourne Shell424713
|
||||
Node: GNU Free Documentation License441565
|
||||
Node: Indexes466742
|
||||
Node: Builtin Index467196
|
||||
Node: Reserved Word Index474023
|
||||
Node: Variable Index476471
|
||||
Node: Function Index492149
|
||||
Node: Concept Index505452
|
||||
|
||||
End Tag Table
|
||||
|
||||
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+18
-12
@@ -1,11 +1,11 @@
|
||||
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<!-- This text is a brief description of the features that are present in
|
||||
the Bash shell (version 4.4, 2 March 2018).
|
||||
the Bash shell (version 5.0, 15 March 2018).
|
||||
|
||||
This is Edition 4.4, last updated 2 March 2018,
|
||||
This is Edition 5.0, last updated 15 March 2018,
|
||||
of The GNU Bash Reference Manual,
|
||||
for Bash, Version 4.4.
|
||||
for Bash, Version 5.0.
|
||||
|
||||
Copyright (C) 1988-2018 Free Software Foundation, Inc.
|
||||
|
||||
@@ -284,12 +284,12 @@ Next: <a href="#Introduction" accesskey="n" rel="next">Introduction</a>, Previou
|
||||
<h1 class="top">Bash Features</h1>
|
||||
|
||||
<p>This text is a brief description of the features that are present in
|
||||
the Bash shell (version 4.4, 2 March 2018).
|
||||
the Bash shell (version 5.0, 15 March 2018).
|
||||
The Bash home page is <a href="http://www.gnu.org/software/bash/">http://www.gnu.org/software/bash/</a>.
|
||||
</p>
|
||||
<p>This is Edition 4.4, last updated 2 March 2018,
|
||||
<p>This is Edition 5.0, last updated 15 March 2018,
|
||||
of <cite>The GNU Bash Reference Manual</cite>,
|
||||
for <code>Bash</code>, Version 4.4.
|
||||
for <code>Bash</code>, Version 5.0.
|
||||
</p>
|
||||
<p>Bash contains features that appear in other popular shells, and some
|
||||
features that only appear in Bash. Some of the shells that Bash has
|
||||
@@ -2716,8 +2716,8 @@ array, and an index of -1 references the last element.
|
||||
<dt><code>${<var>parameter</var>#<var>word</var>}</code></dt>
|
||||
<dt><code>${<var>parameter</var>##<var>word</var>}</code></dt>
|
||||
<dd><p>The <var>word</var>
|
||||
is expanded to produce a pattern just as in filename
|
||||
expansion (see <a href="#Filename-Expansion">Filename Expansion</a>). If the pattern matches
|
||||
is expanded to produce a pattern and matched according to the rules
|
||||
described below (see <a href="#Pattern-Matching">Pattern Matching</a>). If the pattern matches
|
||||
the beginning of the expanded value of <var>parameter</var>,
|
||||
then the result of the expansion is the expanded value of <var>parameter</var>
|
||||
with the shortest matching pattern (the ‘<samp>#</samp>’ case) or the
|
||||
@@ -2733,8 +2733,9 @@ array in turn, and the expansion is the resultant list.
|
||||
</dd>
|
||||
<dt><code>${<var>parameter</var>%<var>word</var>}</code></dt>
|
||||
<dt><code>${<var>parameter</var>%%<var>word</var>}</code></dt>
|
||||
<dd><p>The <var>word</var> is expanded to produce a pattern just as in
|
||||
filename expansion.
|
||||
<dd><p>The <var>word</var>
|
||||
is expanded to produce a pattern and matched according to the rules
|
||||
described below (see <a href="#Pattern-Matching">Pattern Matching</a>). If the pattern matches
|
||||
If the pattern matches a trailing portion of the expanded value of
|
||||
<var>parameter</var>, then the result of the expansion is the value of
|
||||
<var>parameter</var> with the shortest matching pattern (the ‘<samp>%</samp>’ case)
|
||||
@@ -2754,6 +2755,8 @@ array in turn, and the expansion is the resultant list.
|
||||
filename expansion.
|
||||
<var>Parameter</var> is expanded and the longest match of <var>pattern</var>
|
||||
against its value is replaced with <var>string</var>.
|
||||
The match is performed according to the rules described below
|
||||
(see <a href="#Pattern-Matching">Pattern Matching</a>).
|
||||
If <var>pattern</var> begins with ‘<samp>/</samp>’, all matches of <var>pattern</var> are
|
||||
replaced with <var>string</var>. Normally only the first match is replaced.
|
||||
If <var>pattern</var> begins with ‘<samp>#</samp>’, it must match at the beginning
|
||||
@@ -3045,10 +3048,13 @@ at the start of a filename or immediately following a slash
|
||||
must be matched explicitly, unless the shell option <code>dotglob</code> is set.
|
||||
The filenames ‘<samp>.</samp>’ and ‘<samp>..</samp>’ must always be matched explicitly,
|
||||
even if <code>dotglob</code> is set.
|
||||
When matching a filename, the slash character must always be
|
||||
matched explicitly.
|
||||
In other cases, the ‘<samp>.</samp>’ character is not treated specially.
|
||||
</p>
|
||||
<p>When matching a filename, the slash character must always be
|
||||
matched explicitly by a slash in the pattern, but in other matching
|
||||
contexts it can be matched by a special pattern character as described
|
||||
below (see <a href="#Pattern-Matching">Pattern Matching</a>).
|
||||
</p>
|
||||
<p>See the description of <code>shopt</code> in <a href="#The-Shopt-Builtin">The Shopt Builtin</a>,
|
||||
for a description of the <code>nocaseglob</code>, <code>nullglob</code>,
|
||||
<code>failglob</code>, and <code>dotglob</code> options.
|
||||
|
||||
+172
-165
@@ -2,10 +2,10 @@ This is bashref.info, produced by makeinfo version 6.5 from
|
||||
bashref.texi.
|
||||
|
||||
This text is a brief description of the features that are present in the
|
||||
Bash shell (version 4.4, 2 March 2018).
|
||||
Bash shell (version 5.0, 15 March 2018).
|
||||
|
||||
This is Edition 4.4, last updated 2 March 2018, of 'The GNU Bash
|
||||
Reference Manual', for 'Bash', Version 4.4.
|
||||
This is Edition 5.0, last updated 15 March 2018, of 'The GNU Bash
|
||||
Reference Manual', for 'Bash', Version 5.0.
|
||||
|
||||
Copyright (C) 1988-2018 Free Software Foundation, Inc.
|
||||
|
||||
@@ -27,11 +27,11 @@ Bash Features
|
||||
*************
|
||||
|
||||
This text is a brief description of the features that are present in the
|
||||
Bash shell (version 4.4, 2 March 2018). The Bash home page is
|
||||
Bash shell (version 5.0, 15 March 2018). The Bash home page is
|
||||
<http://www.gnu.org/software/bash/>.
|
||||
|
||||
This is Edition 4.4, last updated 2 March 2018, of 'The GNU Bash
|
||||
Reference Manual', for 'Bash', Version 4.4.
|
||||
This is Edition 5.0, last updated 15 March 2018, of 'The GNU Bash
|
||||
Reference Manual', for 'Bash', Version 5.0.
|
||||
|
||||
Bash contains features that appear in other popular shells, and some
|
||||
features that only appear in Bash. Some of the shells that Bash has
|
||||
@@ -1859,22 +1859,23 @@ omitted, the operator tests only for existence.
|
||||
|
||||
'${PARAMETER#WORD}'
|
||||
'${PARAMETER##WORD}'
|
||||
The WORD is expanded to produce a pattern just as in filename
|
||||
expansion (*note Filename Expansion::). If the pattern matches the
|
||||
beginning of the expanded value of PARAMETER, then the result of
|
||||
the expansion is the expanded value of PARAMETER with the shortest
|
||||
matching pattern (the '#' case) or the longest matching pattern
|
||||
(the '##' case) deleted. If PARAMETER is '@' or '*', the pattern
|
||||
removal operation is applied to each positional parameter in turn,
|
||||
and the expansion is the resultant list. If PARAMETER is an array
|
||||
variable subscripted with '@' or '*', the pattern removal operation
|
||||
is applied to each member of the array in turn, and the expansion
|
||||
is the resultant list.
|
||||
The WORD is expanded to produce a pattern and matched according to
|
||||
the rules described below (*note Pattern Matching::). If the
|
||||
pattern matches the beginning of the expanded value of PARAMETER,
|
||||
then the result of the expansion is the expanded value of PARAMETER
|
||||
with the shortest matching pattern (the '#' case) or the longest
|
||||
matching pattern (the '##' case) deleted. If PARAMETER is '@' or
|
||||
'*', the pattern removal operation is applied to each positional
|
||||
parameter in turn, and the expansion is the resultant list. If
|
||||
PARAMETER is an array variable subscripted with '@' or '*', the
|
||||
pattern removal operation is applied to each member of the array in
|
||||
turn, and the expansion is the resultant list.
|
||||
|
||||
'${PARAMETER%WORD}'
|
||||
'${PARAMETER%%WORD}'
|
||||
The WORD is expanded to produce a pattern just as in filename
|
||||
expansion. If the pattern matches a trailing portion of the
|
||||
The WORD is expanded to produce a pattern and matched according to
|
||||
the rules described below (*note Pattern Matching::). If the
|
||||
pattern matches If the pattern matches a trailing portion of the
|
||||
expanded value of PARAMETER, then the result of the expansion is
|
||||
the value of PARAMETER with the shortest matching pattern (the '%'
|
||||
case) or the longest matching pattern (the '%%' case) deleted. If
|
||||
@@ -1888,21 +1889,23 @@ omitted, the operator tests only for existence.
|
||||
|
||||
The PATTERN is expanded to produce a pattern just as in filename
|
||||
expansion. PARAMETER is expanded and the longest match of PATTERN
|
||||
against its value is replaced with STRING. If PATTERN begins with
|
||||
'/', all matches of PATTERN are replaced with STRING. Normally
|
||||
only the first match is replaced. If PATTERN begins with '#', it
|
||||
must match at the beginning of the expanded value of PARAMETER. If
|
||||
PATTERN begins with '%', it must match at the end of the expanded
|
||||
value of PARAMETER. If STRING is null, matches of PATTERN are
|
||||
deleted and the '/' following PATTERN may be omitted. If the
|
||||
'nocasematch' shell option (see the description of 'shopt' in *note
|
||||
The Shopt Builtin::) is enabled, the match is performed without
|
||||
regard to the case of alphabetic characters. If PARAMETER is '@'
|
||||
or '*', the substitution operation is applied to each positional
|
||||
parameter in turn, and the expansion is the resultant list. If
|
||||
PARAMETER is an array variable subscripted with '@' or '*', the
|
||||
substitution operation is applied to each member of the array in
|
||||
turn, and the expansion is the resultant list.
|
||||
against its value is replaced with STRING. The match is performed
|
||||
according to the rules described below (*note Pattern Matching::).
|
||||
If PATTERN begins with '/', all matches of PATTERN are replaced
|
||||
with STRING. Normally only the first match is replaced. If
|
||||
PATTERN begins with '#', it must match at the beginning of the
|
||||
expanded value of PARAMETER. If PATTERN begins with '%', it must
|
||||
match at the end of the expanded value of PARAMETER. If STRING is
|
||||
null, matches of PATTERN are deleted and the '/' following PATTERN
|
||||
may be omitted. If the 'nocasematch' shell option (see the
|
||||
description of 'shopt' in *note The Shopt Builtin::) is enabled,
|
||||
the match is performed without regard to the case of alphabetic
|
||||
characters. If PARAMETER is '@' or '*', the substitution operation
|
||||
is applied to each positional parameter in turn, and the expansion
|
||||
is the resultant list. If PARAMETER is an array variable
|
||||
subscripted with '@' or '*', the substitution operation is applied
|
||||
to each member of the array in turn, and the expansion is the
|
||||
resultant list.
|
||||
|
||||
'${PARAMETER^PATTERN}'
|
||||
'${PARAMETER^^PATTERN}'
|
||||
@@ -2104,8 +2107,12 @@ performed without regard to the case of alphabetic characters.
|
||||
the start of a filename or immediately following a slash must be matched
|
||||
explicitly, unless the shell option 'dotglob' is set. The filenames '.'
|
||||
and '..' must always be matched explicitly, even if 'dotglob' is set.
|
||||
When matching a filename, the slash character must always be matched
|
||||
explicitly. In other cases, the '.' character is not treated specially.
|
||||
In other cases, the '.' character is not treated specially.
|
||||
|
||||
When matching a filename, the slash character must always be matched
|
||||
explicitly by a slash in the pattern, but in other matching contexts it
|
||||
can be matched by a special pattern character as described below (*note
|
||||
Pattern Matching::).
|
||||
|
||||
See the description of 'shopt' in *note The Shopt Builtin::, for a
|
||||
description of the 'nocaseglob', 'nullglob', 'failglob', and 'dotglob'
|
||||
@@ -11575,134 +11582,134 @@ D.5 Concept Index
|
||||
|
||||
|
||||
Tag Table:
|
||||
Node: Top889
|
||||
Node: Introduction2801
|
||||
Node: What is Bash?3017
|
||||
Node: What is a shell?4131
|
||||
Node: Definitions6669
|
||||
Node: Basic Shell Features9620
|
||||
Node: Shell Syntax10839
|
||||
Node: Shell Operation11865
|
||||
Node: Quoting13158
|
||||
Node: Escape Character14458
|
||||
Node: Single Quotes14943
|
||||
Node: Double Quotes15291
|
||||
Node: ANSI-C Quoting16569
|
||||
Node: Locale Translation17828
|
||||
Node: Comments18724
|
||||
Node: Shell Commands19342
|
||||
Node: Simple Commands20214
|
||||
Node: Pipelines20845
|
||||
Node: Lists23777
|
||||
Node: Compound Commands25516
|
||||
Node: Looping Constructs26528
|
||||
Node: Conditional Constructs29023
|
||||
Node: Command Grouping40078
|
||||
Node: Coprocesses41557
|
||||
Node: GNU Parallel43460
|
||||
Node: Shell Functions47434
|
||||
Node: Shell Parameters54517
|
||||
Node: Positional Parameters58930
|
||||
Node: Special Parameters59830
|
||||
Node: Shell Expansions63167
|
||||
Node: Brace Expansion65290
|
||||
Node: Tilde Expansion68014
|
||||
Node: Shell Parameter Expansion70362
|
||||
Node: Command Substitution84650
|
||||
Node: Arithmetic Expansion86005
|
||||
Node: Process Substitution86937
|
||||
Node: Word Splitting88057
|
||||
Node: Filename Expansion90001
|
||||
Node: Pattern Matching92375
|
||||
Node: Quote Removal96361
|
||||
Node: Redirections96656
|
||||
Node: Executing Commands106214
|
||||
Node: Simple Command Expansion106884
|
||||
Node: Command Search and Execution108814
|
||||
Node: Command Execution Environment111190
|
||||
Node: Environment114174
|
||||
Node: Exit Status115833
|
||||
Node: Signals117503
|
||||
Node: Shell Scripts119470
|
||||
Node: Shell Builtin Commands121985
|
||||
Node: Bourne Shell Builtins124023
|
||||
Node: Bash Builtins144681
|
||||
Node: Modifying Shell Behavior173589
|
||||
Node: The Set Builtin173934
|
||||
Node: The Shopt Builtin184347
|
||||
Node: Special Builtins201217
|
||||
Node: Shell Variables202196
|
||||
Node: Bourne Shell Variables202633
|
||||
Node: Bash Variables204737
|
||||
Node: Bash Features234751
|
||||
Node: Invoking Bash235650
|
||||
Node: Bash Startup Files241636
|
||||
Node: Interactive Shells246739
|
||||
Node: What is an Interactive Shell?247149
|
||||
Node: Is this Shell Interactive?247798
|
||||
Node: Interactive Shell Behavior248613
|
||||
Node: Bash Conditional Expressions252101
|
||||
Node: Shell Arithmetic256467
|
||||
Node: Aliases259284
|
||||
Node: Arrays261832
|
||||
Node: The Directory Stack267198
|
||||
Node: Directory Stack Builtins267982
|
||||
Node: Controlling the Prompt270950
|
||||
Node: The Restricted Shell273712
|
||||
Node: Bash POSIX Mode275537
|
||||
Node: Job Control285888
|
||||
Node: Job Control Basics286348
|
||||
Node: Job Control Builtins291316
|
||||
Node: Job Control Variables296043
|
||||
Node: Command Line Editing297199
|
||||
Node: Introduction and Notation298870
|
||||
Node: Readline Interaction300493
|
||||
Node: Readline Bare Essentials301684
|
||||
Node: Readline Movement Commands303467
|
||||
Node: Readline Killing Commands304427
|
||||
Node: Readline Arguments306345
|
||||
Node: Searching307389
|
||||
Node: Readline Init File309575
|
||||
Node: Readline Init File Syntax310722
|
||||
Node: Conditional Init Constructs331093
|
||||
Node: Sample Init File335289
|
||||
Node: Bindable Readline Commands338406
|
||||
Node: Commands For Moving339610
|
||||
Node: Commands For History341459
|
||||
Node: Commands For Text345754
|
||||
Node: Commands For Killing349143
|
||||
Node: Numeric Arguments351624
|
||||
Node: Commands For Completion352763
|
||||
Node: Keyboard Macros356954
|
||||
Node: Miscellaneous Commands357641
|
||||
Node: Readline vi Mode363594
|
||||
Node: Programmable Completion364501
|
||||
Node: Programmable Completion Builtins371962
|
||||
Node: A Programmable Completion Example381848
|
||||
Node: Using History Interactively387099
|
||||
Node: Bash History Facilities387783
|
||||
Node: Bash History Builtins390788
|
||||
Node: History Interaction395319
|
||||
Node: Event Designators398386
|
||||
Node: Word Designators399605
|
||||
Node: Modifiers401242
|
||||
Node: Installing Bash402644
|
||||
Node: Basic Installation403781
|
||||
Node: Compilers and Options407039
|
||||
Node: Compiling For Multiple Architectures407780
|
||||
Node: Installation Names409473
|
||||
Node: Specifying the System Type410291
|
||||
Node: Sharing Defaults411007
|
||||
Node: Operation Controls411680
|
||||
Node: Optional Features412638
|
||||
Node: Reporting Bugs423164
|
||||
Node: Major Differences From The Bourne Shell424358
|
||||
Node: GNU Free Documentation License441210
|
||||
Node: Indexes466387
|
||||
Node: Builtin Index466841
|
||||
Node: Reserved Word Index473668
|
||||
Node: Variable Index476116
|
||||
Node: Function Index491794
|
||||
Node: Concept Index505097
|
||||
Node: Top891
|
||||
Node: Introduction2805
|
||||
Node: What is Bash?3021
|
||||
Node: What is a shell?4135
|
||||
Node: Definitions6673
|
||||
Node: Basic Shell Features9624
|
||||
Node: Shell Syntax10843
|
||||
Node: Shell Operation11869
|
||||
Node: Quoting13162
|
||||
Node: Escape Character14462
|
||||
Node: Single Quotes14947
|
||||
Node: Double Quotes15295
|
||||
Node: ANSI-C Quoting16573
|
||||
Node: Locale Translation17832
|
||||
Node: Comments18728
|
||||
Node: Shell Commands19346
|
||||
Node: Simple Commands20218
|
||||
Node: Pipelines20849
|
||||
Node: Lists23781
|
||||
Node: Compound Commands25520
|
||||
Node: Looping Constructs26532
|
||||
Node: Conditional Constructs29027
|
||||
Node: Command Grouping40082
|
||||
Node: Coprocesses41561
|
||||
Node: GNU Parallel43464
|
||||
Node: Shell Functions47438
|
||||
Node: Shell Parameters54521
|
||||
Node: Positional Parameters58934
|
||||
Node: Special Parameters59834
|
||||
Node: Shell Expansions63171
|
||||
Node: Brace Expansion65294
|
||||
Node: Tilde Expansion68018
|
||||
Node: Shell Parameter Expansion70366
|
||||
Node: Command Substitution84849
|
||||
Node: Arithmetic Expansion86204
|
||||
Node: Process Substitution87136
|
||||
Node: Word Splitting88256
|
||||
Node: Filename Expansion90200
|
||||
Node: Pattern Matching92730
|
||||
Node: Quote Removal96716
|
||||
Node: Redirections97011
|
||||
Node: Executing Commands106569
|
||||
Node: Simple Command Expansion107239
|
||||
Node: Command Search and Execution109169
|
||||
Node: Command Execution Environment111545
|
||||
Node: Environment114529
|
||||
Node: Exit Status116188
|
||||
Node: Signals117858
|
||||
Node: Shell Scripts119825
|
||||
Node: Shell Builtin Commands122340
|
||||
Node: Bourne Shell Builtins124378
|
||||
Node: Bash Builtins145036
|
||||
Node: Modifying Shell Behavior173944
|
||||
Node: The Set Builtin174289
|
||||
Node: The Shopt Builtin184702
|
||||
Node: Special Builtins201572
|
||||
Node: Shell Variables202551
|
||||
Node: Bourne Shell Variables202988
|
||||
Node: Bash Variables205092
|
||||
Node: Bash Features235106
|
||||
Node: Invoking Bash236005
|
||||
Node: Bash Startup Files241991
|
||||
Node: Interactive Shells247094
|
||||
Node: What is an Interactive Shell?247504
|
||||
Node: Is this Shell Interactive?248153
|
||||
Node: Interactive Shell Behavior248968
|
||||
Node: Bash Conditional Expressions252456
|
||||
Node: Shell Arithmetic256822
|
||||
Node: Aliases259639
|
||||
Node: Arrays262187
|
||||
Node: The Directory Stack267553
|
||||
Node: Directory Stack Builtins268337
|
||||
Node: Controlling the Prompt271305
|
||||
Node: The Restricted Shell274067
|
||||
Node: Bash POSIX Mode275892
|
||||
Node: Job Control286243
|
||||
Node: Job Control Basics286703
|
||||
Node: Job Control Builtins291671
|
||||
Node: Job Control Variables296398
|
||||
Node: Command Line Editing297554
|
||||
Node: Introduction and Notation299225
|
||||
Node: Readline Interaction300848
|
||||
Node: Readline Bare Essentials302039
|
||||
Node: Readline Movement Commands303822
|
||||
Node: Readline Killing Commands304782
|
||||
Node: Readline Arguments306700
|
||||
Node: Searching307744
|
||||
Node: Readline Init File309930
|
||||
Node: Readline Init File Syntax311077
|
||||
Node: Conditional Init Constructs331448
|
||||
Node: Sample Init File335644
|
||||
Node: Bindable Readline Commands338761
|
||||
Node: Commands For Moving339965
|
||||
Node: Commands For History341814
|
||||
Node: Commands For Text346109
|
||||
Node: Commands For Killing349498
|
||||
Node: Numeric Arguments351979
|
||||
Node: Commands For Completion353118
|
||||
Node: Keyboard Macros357309
|
||||
Node: Miscellaneous Commands357996
|
||||
Node: Readline vi Mode363949
|
||||
Node: Programmable Completion364856
|
||||
Node: Programmable Completion Builtins372317
|
||||
Node: A Programmable Completion Example382203
|
||||
Node: Using History Interactively387454
|
||||
Node: Bash History Facilities388138
|
||||
Node: Bash History Builtins391143
|
||||
Node: History Interaction395674
|
||||
Node: Event Designators398741
|
||||
Node: Word Designators399960
|
||||
Node: Modifiers401597
|
||||
Node: Installing Bash402999
|
||||
Node: Basic Installation404136
|
||||
Node: Compilers and Options407394
|
||||
Node: Compiling For Multiple Architectures408135
|
||||
Node: Installation Names409828
|
||||
Node: Specifying the System Type410646
|
||||
Node: Sharing Defaults411362
|
||||
Node: Operation Controls412035
|
||||
Node: Optional Features412993
|
||||
Node: Reporting Bugs423519
|
||||
Node: Major Differences From The Bourne Shell424713
|
||||
Node: GNU Free Documentation License441565
|
||||
Node: Indexes466742
|
||||
Node: Builtin Index467196
|
||||
Node: Reserved Word Index474023
|
||||
Node: Variable Index476471
|
||||
Node: Function Index492149
|
||||
Node: Concept Index505452
|
||||
|
||||
End Tag Table
|
||||
|
||||
+10
-10
@@ -1,4 +1,4 @@
|
||||
This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017/MacPorts 2017_2) (preloaded format=pdfetex 2017.7.5) 2 MAR 2018 16:08
|
||||
This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017/MacPorts 2017_2) (preloaded format=pdfetex 2017.7.5) 15 MAR 2018 14:13
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@@ -243,7 +243,7 @@ arallel -k traceroute[]
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[43] [44]
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[]@texttt mapfile [-d @textttsl de-lim@texttt ] [-n @textttsl count@texttt ] [
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-O @textttsl ori-gin@texttt ] [-s @textttsl count@texttt ] [-t] [-u @textttsl f
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d@texttt ][]
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@@ -257,7 +257,7 @@ d@texttt ][]
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.etc.
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[56] [57]
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[]@texttt readarray [-d @textttsl de-lim@texttt ] [-n @textttsl count@texttt ]
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[-O @textttsl ori-gin@texttt ] [-s @textttsl count@texttt ] [-t] [-u @textttsl
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fd@texttt ][]
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[58] [59] [60] [61] [62] [63] [64] [65] [66] [67] [68] [69] [70] Chapter 5
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[71] [72] [73] [74] [75] [76] [77] [78] [79] [80] [81] [82] Chapter 6 [83]
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[]@texttt bash [long-opt] [-ir] [-abefhkmnptuvxdBCDHP] [-o @textttsl op-tion@t
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exttt ] [-O @textttsl shopt_option@texttt ] [@textttsl ar-
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@@ -285,7 +285,7 @@ exttt ] [-O @textttsl shopt_option@texttt ] [@textttsl ar-
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.etc.
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[]@texttt bash [long-opt] [-abefhkmnptuvxdBCDHP] [-o @textttsl op-tion@texttt
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] [-O @textttsl shopt_option@texttt ] -c @textttsl string @texttt [@textttsl ar
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-
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@@ -299,7 +299,7 @@ Overfull \hbox (72.42863pt too wide) in paragraph at lines 6328--6328
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.etc.
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[]@texttt bash [long-opt] -s [-abefhkmnptuvxdBCDHP] [-o @textttsl op-tion@text
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tt ] [-O @textttsl shopt_option@texttt ] [@textttsl ar-
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@@ -389,7 +389,7 @@ texinfo.tex: doing @include of fdl.texi
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ts/type1/public/amsfonts/cm/cmtt9.pfb></opt/local/share/texmf-texlive/fonts/typ
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lic/cm-super/sfrm1440.pfb>
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Output written on bashref.pdf (182 pages, 747172 bytes).
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Output written on bashref.pdf (182 pages, 747794 bytes).
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+12
-6
@@ -2189,8 +2189,8 @@ array, and an index of -1 references the last element.
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@item $@{@var{parameter}#@var{word}@}
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@itemx $@{@var{parameter}##@var{word}@}
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||||
The @var{word}
|
||||
is expanded to produce a pattern just as in filename
|
||||
expansion (@pxref{Filename Expansion}). If the pattern matches
|
||||
is expanded to produce a pattern and matched according to the rules
|
||||
described below (@pxref{Pattern Matching}). If the pattern matches
|
||||
the beginning of the expanded value of @var{parameter},
|
||||
then the result of the expansion is the expanded value of @var{parameter}
|
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with the shortest matching pattern (the @samp{#} case) or the
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@@ -2205,8 +2205,9 @@ array in turn, and the expansion is the resultant list.
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@item $@{@var{parameter}%@var{word}@}
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@itemx $@{@var{parameter}%%@var{word}@}
|
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The @var{word} is expanded to produce a pattern just as in
|
||||
filename expansion.
|
||||
The @var{word}
|
||||
is expanded to produce a pattern and matched according to the rules
|
||||
described below (@pxref{Pattern Matching}). If the pattern matches
|
||||
If the pattern matches a trailing portion of the expanded value of
|
||||
@var{parameter}, then the result of the expansion is the value of
|
||||
@var{parameter} with the shortest matching pattern (the @samp{%} case)
|
||||
@@ -2225,6 +2226,8 @@ The @var{pattern} is expanded to produce a pattern just as in
|
||||
filename expansion.
|
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@var{Parameter} is expanded and the longest match of @var{pattern}
|
||||
against its value is replaced with @var{string}.
|
||||
The match is performed according to the rules described below
|
||||
(@pxref{Pattern Matching}).
|
||||
If @var{pattern} begins with @samp{/}, all matches of @var{pattern} are
|
||||
replaced with @var{string}. Normally only the first match is replaced.
|
||||
If @var{pattern} begins with @samp{#}, it must match at the beginning
|
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@@ -2481,10 +2484,13 @@ at the start of a filename or immediately following a slash
|
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must be matched explicitly, unless the shell option @code{dotglob} is set.
|
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The filenames @samp{.} and @samp{..} must always be matched explicitly,
|
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even if @code{dotglob} is set.
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When matching a filename, the slash character must always be
|
||||
matched explicitly.
|
||||
In other cases, the @samp{.} character is not treated specially.
|
||||
|
||||
When matching a filename, the slash character must always be
|
||||
matched explicitly by a slash in the pattern, but in other matching
|
||||
contexts it can be matched by a special pattern character as described
|
||||
below (@pxref{Pattern Matching}).
|
||||
|
||||
See the description of @code{shopt} in @ref{The Shopt Builtin},
|
||||
for a description of the @code{nocaseglob}, @code{nullglob},
|
||||
@code{failglob}, and @code{dotglob} options.
|
||||
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+1
-1
@@ -42,7 +42,7 @@
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@numsubsecentry{Redirecting Output}{3.6.2}{}{35}
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@numsubsecentry{Appending Redirected Output}{3.6.3}{}{35}
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||||
@numsubsecentry{Appending Standard Output and Standard Error}{3.6.5}{}{36}
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@numsubsecentry{Here Documents}{3.6.6}{}{36}
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@numsubsecentry{Here Strings}{3.6.7}{}{36}
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@numsubsecentry{Duplicating File Descriptors}{3.6.8}{}{36}
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+1
-1
@@ -1820,4 +1820,4 @@ SSEEEE AALLSSOO
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||||
|
||||
|
||||
|
||||
GNU Bash-4.2 2004 Apr 20 BASH_BUILTINS(1)
|
||||
GNU Bash 5.0 2004 Apr 20 BASH_BUILTINS(1)
|
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|
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+1
-1
@@ -7,7 +7,7 @@
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||||
.de FN
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\fI\|\\$1\|\fP
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..
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.TH BASH_BUILTINS 1 "2004 Apr 20" "GNU Bash-4.2"
|
||||
.TH BASH_BUILTINS 1 "2004 Apr 20" "GNU Bash 5.0"
|
||||
.SH NAME
|
||||
bash, :, ., [, alias, bg, bind, break, builtin, caller,
|
||||
cd, command, compgen, complete,
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+37
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@@ -1,6 +1,6 @@
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(options\) should be quoted to protect them from e)3.222 F(xpan-)-.15 E
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Q F0 -1.11(Va)224 696 S(lid ar)1.11 E(guments for the)-.18 E F1<ad6f>2.5
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||||
E F0(option to the)2.5 E F1(set)2.5 E F0 -.2(bu)2.5 G(iltin.).2 E F1
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||||
(shopt)184 708 Q F0(Shell option names as accepted by the)224 708 Q F1
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(shopt)2.5 E F0 -.2(bu)2.5 G(iltin.).2 E(GNU Bash-4.2)72 768 Q
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||||
-.25(va)144 727.2 S 3.483(riables. The).25 F F1<ad70>3.483 E F0 .983
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||||
(option will display the attrib)3.483 F .983(utes and v)-.2 F .982
|
||||
(alues of each)-.25 F F2(name)3.482 E F0 5.982(.W).18 G(hen)-5.982 E F1
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<ad70>3.482 E F0 .982(is used)3.482 F(GNU Bash-4.2)72 768 Q(2004 Apr 20)
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@@ -966,8 +966,8 @@ F2<ad6c>144 669.6 Q F0 .882
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|
||||
144 705.6 Q F0 .272(Print the directory stack with one entry per line, \
|
||||
pre\214xing each entry with its inde)180 705.6 R 2.773(xi)-.15 G 2.773
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||||
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(nt)-2.773 G(he)-2.773 E(stack.)180 717.6 Q(GNU Bash 5.0)72 768 Q
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@@ -1087,8 +1087,8 @@ F .399(guments, the)-.18 F .099(list consists of all enabled shell b)144
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2.879 E F0 -.2(bu)2.878 G 2.878(iltins. The).2 F .378(return v)2.878 F
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||||
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||||
(is not a shell b)3.674 F .994(uiltin or there is an error loading a ne)
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||||
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-.2 F 3.495(wb)-.25 G .995(uiltin from a shared)-3.695 F(GNU Bash 5.0)72
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||||
(therwise help for all the b)-2.807 F .306
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||||
(uiltins and shell control struc-)-.2 F(tures is printed.)144 722.4 Q
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@@ -1464,8 +1464,8 @@ E F0(... ])2.5 E(The \214rst form lists the acti)144 655.2 Q .3 -.15
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||||
F .194(as last noti-)-.1 F(\214ed of their status.)180 691.2 Q F1<ad70>
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||||
144 703.2 Q F0(List only the process ID of the job')180 703.2 Q 2.5(sp)
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||||
-.55 G(rocess group leader)-2.5 E(.)-.55 E F1<ad72>144 715.2 Q F0
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||||
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||||
(2004 Apr 20)148.735 E(10)198.725 E 0 Cg EP
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||||
(Display only running jobs.)180 715.2 Q(GNU Bash 5.0)72 768 Q
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@@ -1606,7 +1606,7 @@ F0 .275(is e)2.775 F -.25(va)-.25 G .274
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||||
4.406 E(ay)-.15 E F0(is)4.406 E(in)144 708 Q -.25(va)-.4 G
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||||
(lid or unassignable, or if).25 E F2(arr)2.5 E(ay)-.15 E F0
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||||
(is not an inde)2.5 E -.15(xe)-.15 G 2.5(da).15 G(rray)-2.5 E(.)-.65 E
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||||
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@@ -1720,7 +1720,7 @@ F2(n)A F0 1.268(Rotates the stack so that the)180 684 R F2(n)3.768 E F0
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||||
(Rotates the stack so that the)180 708 R F2(n)3.42 E F0 .92
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||||
(th directory \(counting from the right of the list sho)B .92(wn by)-.25
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||||
F F1(dirs)180 720 Q F0 2.5(,s)C(tarting with zero\) is at the top.)-2.5
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||||
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@@ -1852,7 +1852,7 @@ G(ad).18 E F0 .428(to time out and return f)2.929 F .428
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||||
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||||
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||||
F0(seconds.)3.061 E F1(timeout)5.561 E F0 .561(may be a decimal number)
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||||
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F1(&&)3.418 E F0(or)3.418 E F1(||)3.418 E F0 3.418(,a)C 1.218 -.15(ny c)
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||||
-3.418 H .918(ommand in a pipeline b).15 F .917
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||||
(ut the last, or if the command')-.2 F 3.417(sr)-.55 G(eturn)-3.417 E
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@@ -2088,8 +2088,8 @@ E F0(.)A F1(noclob)184 654 Q(ber)-.1 E F0(Same as)224 666 Q F1<ad43>2.5
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E F0(.)A F1(noexec)184 678 Q F0(Same as)224 678 Q F1<ad6e>2.5 E F0(.)A
|
||||
F1(noglob)184 690 Q F0(Same as)224 690 Q F1<ad66>2.5 E F0(.)A F1(nolog)
|
||||
184 702 Q F0(Currently ignored.)224 702 Q F1(notify)184 714 Q F0
|
||||
(Same as)224 714 Q F1<ad62>2.5 E F0(.)A(GNU Bash-4.2)72 768 Q
|
||||
(2004 Apr 20)148.735 E(15)198.725 E 0 Cg EP
|
||||
(Same as)224 714 Q F1<ad62>2.5 E F0(.)A(GNU Bash 5.0)72 768 Q
|
||||
(2004 Apr 20)149.565 E(15)198.725 E 0 Cg EP
|
||||
%%Page: 16 16
|
||||
%%BeginPageSetup
|
||||
BP
|
||||
@@ -2201,8 +2201,8 @@ E(ault,)-.1 E F1(bash)2.686 E F0(follo)2.686 E .186
|
||||
(substitutions, and commands e)184 702 R -.15(xe)-.15 G 1.932
|
||||
(cuted in a subshell en).15 F 4.432(vironment. The)-.4 F F1(DEB)4.432 E
|
||||
(UG)-.1 E F0(and)4.432 E F1(RETURN)184 714 Q F0
|
||||
(traps are normally not inherited in such cases.)2.5 E(GNU Bash-4.2)72
|
||||
768 Q(2004 Apr 20)148.735 E(16)198.725 E 0 Cg EP
|
||||
(traps are normally not inherited in such cases.)2.5 E(GNU Bash 5.0)72
|
||||
768 Q(2004 Apr 20)149.565 E(16)198.725 E 0 Cg EP
|
||||
%%Page: 17 17
|
||||
%%BeginPageSetup
|
||||
BP
|
||||
@@ -2319,8 +2319,8 @@ F1(cdable_v)144 610.8 Q(ars)-.1 E F0 .156(If set, an ar)184 622.8 R .156
|
||||
E F0 .736(checks that a command found in the hash table e)3.237 F .736
|
||||
(xists before trying to e)-.15 F -.15(xe)-.15 G(-).15 E(cute it.)184
|
||||
718.8 Q(If a hashed command no longer e)5 E
|
||||
(xists, a normal path search is performed.)-.15 E(GNU Bash-4.2)72 768 Q
|
||||
(2004 Apr 20)148.735 E(17)198.725 E 0 Cg EP
|
||||
(xists, a normal path search is performed.)-.15 E(GNU Bash 5.0)72 768 Q
|
||||
(2004 Apr 20)149.565 E(17)198.725 E 0 Cg EP
|
||||
%%Page: 18 18
|
||||
%%BeginPageSetup
|
||||
BP
|
||||
@@ -2431,8 +2431,8 @@ haracters that will be quoted in completed \214lenames when these)184
|
||||
(ariable references in w)-.25 F .029(ords to be completed.)-.1 F .029
|
||||
(This means)5.029 F 2.91(that dollar signs in v)184 720 R 2.909
|
||||
(ariable names that e)-.25 F 2.909
|
||||
(xpand to directories will not be quoted;)-.15 F(GNU Bash-4.2)72 768 Q
|
||||
(2004 Apr 20)148.735 E(18)198.725 E 0 Cg EP
|
||||
(xpand to directories will not be quoted;)-.15 F(GNU Bash 5.0)72 768 Q
|
||||
(2004 Apr 20)149.565 E(18)198.725 E 0 Cg EP
|
||||
%%Page: 19 19
|
||||
%%BeginPageSetup
|
||||
BP
|
||||
@@ -2550,7 +2550,7 @@ E F0 .519(used in a pathname e)3.019 F .519(xpansion conte)-.15 F .518
|
||||
(or more directories and subdirectories.)184 708 R .431
|
||||
(If the pattern is follo)5.431 F .432(wed by a)-.25 F F1(/)2.932 E F0
|
||||
2.932(,o)C .432(nly directories)-2.932 F(and subdirectories match.)184
|
||||
720 Q(GNU Bash-4.2)72 768 Q(2004 Apr 20)148.735 E(19)198.725 E 0 Cg EP
|
||||
720 Q(GNU Bash 5.0)72 768 Q(2004 Apr 20)149.565 E(19)198.725 E 0 Cg EP
|
||||
%%Page: 20 20
|
||||
%%BeginPageSetup
|
||||
BP
|
||||
@@ -2644,7 +2644,7 @@ le completions as part of programmable com-)-.15 F(pletion.)184 672 Q F1
|
||||
3.354 G .854(thname Expansion).1 F F0(abo)3.354 E -.15(ve)-.15 G 3.354
|
||||
(\)t).15 G(o)-3.354 E -.15(ex)184 708 S
|
||||
(pand to a null string, rather than themselv).15 E(es.)-.15 E
|
||||
(GNU Bash-4.2)72 768 Q(2004 Apr 20)148.735 E(20)198.725 E 0 Cg EP
|
||||
(GNU Bash 5.0)72 768 Q(2004 Apr 20)149.565 E(20)198.725 E 0 Cg EP
|
||||
%%Page: 21 21
|
||||
%%BeginPageSetup
|
||||
BP
|
||||
@@ -2744,7 +2744,7 @@ F .37(xpression is true if and only if the second ar)-.15 F .37
|
||||
(ve u)-.15 H(nder).15 E F2(CONDITION)3.355 E .855(AL EXPRESSIONS)-.18 F
|
||||
F4(,)A F0(the)3.104 E .578(result of the e)180 722.4 R .578(xpression i\
|
||||
s the result of the binary test using the \214rst and third ar)-.15 F
|
||||
(guments)-.18 E(GNU Bash-4.2)72 768 Q(2004 Apr 20)148.735 E(21)198.725 E
|
||||
(guments)-.18 E(GNU Bash 5.0)72 768 Q(2004 Apr 20)149.565 E(21)198.725 E
|
||||
0 Cg EP
|
||||
%%Page: 22 22
|
||||
%%BeginPageSetup
|
||||
@@ -2891,7 +2891,7 @@ F F0 -.1(wo)2.613 G .113(uld not return).1 F F2(\214le)2.613 E F0 5.113
|
||||
F .731
|
||||
(alue, which is not necessarily the \214le that appears \214rst in)-.25
|
||||
F F3 -.666(PA)3.231 G(TH)-.189 E F4(.)A F0 .731(If the)5.231 F
|
||||
(GNU Bash-4.2)72 768 Q(2004 Apr 20)148.735 E(22)198.725 E 0 Cg EP
|
||||
(GNU Bash 5.0)72 768 Q(2004 Apr 20)149.565 E(22)198.725 E 0 Cg EP
|
||||
%%Page: 23 23
|
||||
%%BeginPageSetup
|
||||
BP
|
||||
@@ -3006,7 +3006,7 @@ pted by)144 650.4 R F2 -.15(ch)2.566 G(mod).15 E F0(\(1\).).77 E(If)144
|
||||
F .552(The return status is 0 if the)5.552 F(mode w)144 698.4 Q
|
||||
(as successfully changed or if no)-.1 E F2(mode)2.5 E F0(ar)2.5 E
|
||||
(gument w)-.18 E(as supplied, and f)-.1 E(alse otherwise.)-.1 E
|
||||
(GNU Bash-4.2)72 768 Q(2004 Apr 20)148.735 E(23)198.725 E 0 Cg EP
|
||||
(GNU Bash 5.0)72 768 Q(2004 Apr 20)149.565 E(23)198.725 E 0 Cg EP
|
||||
%%Page: 24 24
|
||||
%%BeginPageSetup
|
||||
BP
|
||||
@@ -3078,8 +3078,8 @@ E F2(id)3.266 E F0 .756(speci\214es a non-e)4.026 F .756
|
||||
R .365(Otherwise, the return status is the e)5.365 F .365
|
||||
(xit status of the last process or job w)-.15 F(aited)-.1 E(for)144
|
||||
357.6 Q(.)-.55 E/F5 10.95/Times-Bold@0 SF(SEE ALSO)72 374.4 Q F0
|
||||
(bash\(1\), sh\(1\))108 386.4 Q(GNU Bash-4.2)72 768 Q(2004 Apr 20)
|
||||
148.735 E(24)198.725 E 0 Cg EP
|
||||
(bash\(1\), sh\(1\))108 386.4 Q(GNU Bash 5.0)72 768 Q(2004 Apr 20)
|
||||
149.565 E(24)198.725 E 0 Cg EP
|
||||
%%Trailer
|
||||
end
|
||||
%%EOF
|
||||
|
||||
+1
-1
@@ -1,6 +1,6 @@
|
||||
%!PS-Adobe-3.0
|
||||
%%Creator: groff version 1.22.3
|
||||
%%CreationDate: Fri Mar 2 16:08:28 2018
|
||||
%%CreationDate: Thu Mar 15 14:13:34 2018
|
||||
%%DocumentNeededResources: font Times-Roman
|
||||
%%+ font Times-Bold
|
||||
%%DocumentSuppliedResources: procset grops 1.22 3
|
||||
|
||||
+4
-4
@@ -2,10 +2,10 @@
|
||||
Copyright (C) 1988-2018 Free Software Foundation, Inc.
|
||||
@end ignore
|
||||
|
||||
@set LASTCHANGE Fri Mar 2 16:08:12 EST 2018
|
||||
@set LASTCHANGE Thu Mar 15 11:29:49 EDT 2018
|
||||
|
||||
@set EDITION 4.4
|
||||
@set VERSION 4.4
|
||||
@set EDITION 5.0
|
||||
@set VERSION 5.0
|
||||
|
||||
@set UPDATED 2 March 2018
|
||||
@set UPDATED 15 March 2018
|
||||
@set UPDATED-MONTH March 2018
|
||||
|
||||
@@ -1873,7 +1873,9 @@ Next, the string specified as the argument to the @option{-W} option
|
||||
is considered.
|
||||
The string is first split using the characters in the @env{IFS}
|
||||
special variable as delimiters.
|
||||
Shell quoting is honored.
|
||||
Shell quoting is honored within the string, in order to provide a
|
||||
mechanism for the words to contain shell metacharacters or characters
|
||||
in the value of @env{IFS}.
|
||||
Each word is then expanded using
|
||||
brace expansion, tilde expansion, parameter and variable expansion,
|
||||
command substitution, and arithmetic expansion,
|
||||
|
||||
@@ -595,6 +595,7 @@ quoted_strlen (s)
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef INCLUDE_UNUSED
|
||||
/* Find the first occurrence of character C in string S, obeying shell
|
||||
quoting rules. If (FLAGS & ST_BACKSL) is non-zero, backslash-escaped
|
||||
characters are skipped. If (FLAGS & ST_CTLESC) is non-zero, characters
|
||||
@@ -622,7 +623,6 @@ quoted_strchr (s, c, flags)
|
||||
return ((char *)NULL);
|
||||
}
|
||||
|
||||
#if defined (INCLUDE_UNUSED)
|
||||
/* Return 1 if CHARACTER appears in an unquoted portion of
|
||||
STRING. Return 0 otherwise. CHARACTER must be a single-byte character. */
|
||||
static int
|
||||
@@ -4608,6 +4608,9 @@ remove_pattern (param, pattern, op)
|
||||
wchar_t *wparam, *wpattern;
|
||||
mbstate_t ps;
|
||||
|
||||
/* XXX - could optimize here by checking param and pattern for multibyte
|
||||
chars with mbsmbchar and calling remove_upattern. */
|
||||
|
||||
n = xdupmbstowcs (&wpattern, NULL, pattern);
|
||||
if (n == (size_t)-1)
|
||||
{
|
||||
@@ -11315,11 +11318,16 @@ expand_word_list_internal (list, eflags)
|
||||
if (assign_func == do_word_assignment)
|
||||
{
|
||||
last_command_exit_value = EXECUTION_FAILURE;
|
||||
if (interactive_shell == 0 && posixly_correct && is_special_builtin)
|
||||
if (interactive_shell == 0 && posixly_correct)
|
||||
exp_jump_to_top_level (FORCE_EOF);
|
||||
else
|
||||
exp_jump_to_top_level (DISCARD);
|
||||
}
|
||||
else if (interactive_shell == 0 && is_special_builtin)
|
||||
{
|
||||
last_command_exit_value = EXECUTION_FAILURE;
|
||||
exp_jump_to_top_level (FORCE_EOF);
|
||||
}
|
||||
else
|
||||
tempenv_assign_error++;
|
||||
}
|
||||
|
||||
+1
-1
@@ -1,4 +1,4 @@
|
||||
BUILD_DIR=/usr/local/build/bash/bash-current
|
||||
BUILD_DIR=/usr/local/build/chet/bash/bash-current
|
||||
THIS_SH=$BUILD_DIR/bash
|
||||
PATH=$PATH:$BUILD_DIR
|
||||
|
||||
|
||||
+2
-1
@@ -259,4 +259,5 @@ efg
|
||||
42
|
||||
42
|
||||
42
|
||||
./arith.tests: line 313: b[c]d: syntax error in expression (error token is "d")
|
||||
./arith.tests: line 314: 'foo' : syntax error: operand expected (error token is "'foo' ")
|
||||
./arith.tests: line 318: b[c]d: syntax error in expression (error token is "d")
|
||||
|
||||
@@ -309,5 +309,10 @@ printf "%u\n" $n
|
||||
echo $(( 16#$(printf "%x\n" $n) ))
|
||||
echo $(( 16#$(printf "%X\n" $n) ))
|
||||
|
||||
# these are errors
|
||||
foo=1
|
||||
echo $(( 'foo' ))
|
||||
|
||||
|
||||
# causes longjmp botches through bash-2.05b
|
||||
a[b[c]d]=e
|
||||
|
||||
+18
-18
@@ -26,7 +26,7 @@ hello world
|
||||
11
|
||||
3
|
||||
bdef hello world test expression test 2
|
||||
./array.tests: line 76: readonly: `a[5]': not a valid identifier
|
||||
./array.tests: line 79: readonly: `a[5]': not a valid identifier
|
||||
declare -ar a=([1]="" [2]="bdef" [5]="hello world" [6]="test expression" [15]="test 2")
|
||||
declare -ar c
|
||||
declare -ar a=([1]="" [2]="bdef" [5]="hello world" [6]="test expression" [15]="test 2")
|
||||
@@ -46,17 +46,17 @@ declare -ar c
|
||||
declare -a d=([1]="" [2]="bdef" [5]="hello world" [6]="test" [9]="ninth element")
|
||||
declare -a e=([0]="test")
|
||||
declare -a f=([0]="" [1]="bdef" [2]="hello world" [3]="test" [4]="ninth element")
|
||||
./array.tests: line 100: a: readonly variable
|
||||
./array.tests: line 102: b[]: bad array subscript
|
||||
./array.tests: line 103: b[*]: bad array subscript
|
||||
./array.tests: line 104: ${b[ ]}: bad substitution
|
||||
./array.tests: line 106: c[-2]: bad array subscript
|
||||
./array.tests: line 107: c: bad array subscript
|
||||
./array.tests: line 103: a: readonly variable
|
||||
./array.tests: line 105: b[]: bad array subscript
|
||||
./array.tests: line 106: b[*]: bad array subscript
|
||||
./array.tests: line 107: ${b[ ]}: bad substitution
|
||||
./array.tests: line 109: c[-2]: bad array subscript
|
||||
./array.tests: line 110: c: bad array subscript
|
||||
|
||||
./array.tests: line 109: d[7]: cannot assign list to array member
|
||||
./array.tests: line 111: []=abcde: bad array subscript
|
||||
./array.tests: line 111: [*]=last: cannot assign to non-numeric index
|
||||
./array.tests: line 111: [-65]=negative: bad array subscript
|
||||
./array.tests: line 112: d[7]: cannot assign list to array member
|
||||
./array.tests: line 114: []=abcde: bad array subscript
|
||||
./array.tests: line 114: [*]=last: cannot assign to non-numeric index
|
||||
./array.tests: line 114: [-65]=negative: bad array subscript
|
||||
declare -a BASH_ARGC=()
|
||||
declare -a BASH_ARGV=()
|
||||
declare -a BASH_LINENO=([0]="0")
|
||||
@@ -68,8 +68,8 @@ declare -a b=([0]="this" [1]="is" [2]="a" [3]="test" [4]="" [5]="/etc/passwd")
|
||||
declare -ar c
|
||||
declare -a d=([1]="test test")
|
||||
declare -a f=([0]="" [1]="bdef" [2]="hello world" [3]="test" [4]="ninth element")
|
||||
./array.tests: line 119: unset: ps1: not an array variable
|
||||
./array.tests: line 123: declare: c: cannot destroy array variables in this way
|
||||
./array.tests: line 122: unset: ps1: not an array variable
|
||||
./array.tests: line 126: declare: c: cannot destroy array variables in this way
|
||||
this of
|
||||
this is a test of read using arrays
|
||||
this test
|
||||
@@ -127,7 +127,7 @@ grep [ 123 ] *
|
||||
6 7 9 5
|
||||
length = 3
|
||||
value = new1 new2 new3
|
||||
./array.tests: line 239: narray: unbound variable
|
||||
./array.tests: line 242: narray: unbound variable
|
||||
./array1.sub: line 1: syntax error near unexpected token `('
|
||||
./array1.sub: line 1: `printf "%s\n" -a a=(a 'b c')'
|
||||
./array2.sub: line 1: declare: `[]=asdf': not a valid identifier
|
||||
@@ -154,10 +154,10 @@ for case if then else
|
||||
12 14 16 18 20
|
||||
4414758999202
|
||||
aaa bbb
|
||||
./array.tests: line 289: syntax error near unexpected token `<>'
|
||||
./array.tests: line 289: `metas=( <> < > ! )'
|
||||
./array.tests: line 290: syntax error near unexpected token `<>'
|
||||
./array.tests: line 290: `metas=( [1]=<> [2]=< [3]=> [4]=! )'
|
||||
./array.tests: line 292: syntax error near unexpected token `<>'
|
||||
./array.tests: line 292: `metas=( <> < > ! )'
|
||||
./array.tests: line 293: syntax error near unexpected token `<>'
|
||||
./array.tests: line 293: `metas=( [1]=<> [2]=< [3]=> [4]=! )'
|
||||
abc 3
|
||||
case 4
|
||||
abc case if then else 5
|
||||
|
||||
@@ -21,6 +21,9 @@ unset a
|
||||
a=abcde
|
||||
declare -a a
|
||||
echo ${a[0]}
|
||||
if [ "$a" != "${a[0]}" ]; then
|
||||
echo 'array.tests: $a and $a[0] array mismatch'
|
||||
fi
|
||||
|
||||
unset a
|
||||
a=abcde
|
||||
|
||||
@@ -174,6 +174,13 @@ T='([a]=1)'
|
||||
echo "${T[@]}"
|
||||
unset T
|
||||
|
||||
# peculiar ksh93 semantics for unsubscripted assoc variable reference
|
||||
declare -A T
|
||||
T[0]='zero'
|
||||
if [ "$T" != "${T[0]}" ]; then
|
||||
echo 'assoc.tests: $T and ${T[0]} mismatch'
|
||||
fi
|
||||
|
||||
${THIS_SH} ./assoc1.sub
|
||||
|
||||
${THIS_SH} ./assoc2.sub
|
||||
|
||||
+34
-2
@@ -120,8 +120,9 @@ after readonly assignment
|
||||
./errors4.sub: line 7: var: readonly variable
|
||||
./errors5.sub: line 6: array: unbound variable
|
||||
./errors5.sub: line 7: array: unbound variable
|
||||
./errors5.sub: line 10: 7: unbound variable
|
||||
./errors5.sub: line 8: array[7]: unbound variable
|
||||
./errors5.sub: line 11: 7: unbound variable
|
||||
./errors5.sub: line 12: 7: unbound variable
|
||||
after 1: 1
|
||||
after 2: 1
|
||||
after 3: 1
|
||||
@@ -136,6 +137,13 @@ array after 2: 1
|
||||
./errors6.sub: line 27: -3: invalid variable name
|
||||
after indir: 1
|
||||
./errors6.sub: line 30: -3: invalid variable name
|
||||
|
||||
unset
|
||||
./errors6.sub: line 37: var: invalid indirect expansion
|
||||
./errors6.sub: line 38: var: invalid indirect expansion
|
||||
./errors6.sub: line 41: invalid-ident: invalid variable name
|
||||
./errors6.sub: line 42: invalid-ident: invalid variable name
|
||||
./errors6.sub: line 43: invalid-ident: invalid variable name
|
||||
./errors6.sub: uvar: parameter not set
|
||||
./errors6.sub: uvar: parameter null or not set
|
||||
|
||||
@@ -145,4 +153,28 @@ after indir: 1
|
||||
./errors6.sub: line 27: -3: invalid variable name
|
||||
after indir: 1
|
||||
./errors6.sub: line 30: -3: invalid variable name
|
||||
./errors.tests: line 278: `!!': not a valid identifier
|
||||
|
||||
unset
|
||||
./errors6.sub: line 37: var: invalid indirect expansion
|
||||
./errors6.sub: line 38: var: invalid indirect expansion
|
||||
./errors6.sub: line 41: invalid-ident: invalid variable name
|
||||
./errors6.sub: line 42: invalid-ident: invalid variable name
|
||||
./errors6.sub: line 43: invalid-ident: invalid variable name
|
||||
./errors7.sub: line 8: x: readonly variable
|
||||
./errors7.sub: line 8: notthere: command not found
|
||||
after no such command: 127
|
||||
./errors7.sub: line 10: x: readonly variable
|
||||
echo builtin
|
||||
after non-special builtin: 0
|
||||
./errors7.sub: line 12: x: readonly variable
|
||||
after special builtin: 0
|
||||
./errors7.sub: line 14: x: readonly variable
|
||||
./errors7.sub: line 8: x: readonly variable
|
||||
./errors7.sub: line 8: notthere: command not found
|
||||
after no such command: 127
|
||||
./errors7.sub: line 10: x: readonly variable
|
||||
echo builtin
|
||||
after non-special builtin: 0
|
||||
./errors7.sub: line 12: x: readonly variable
|
||||
./errors7.sub: line 14: x: readonly variable
|
||||
./errors.tests: line 281: `!!': not a valid identifier
|
||||
|
||||
@@ -270,6 +270,9 @@ ${THIS_SH} ./errors5.sub
|
||||
${THIS_SH} ./errors6.sub
|
||||
THIS_SH="${THIS_SH} -o posix" ${THIS_SH} ./errors6.sub
|
||||
|
||||
${THIS_SH} ./errors7.sub
|
||||
${THIS_SH} -o posix ./errors7.sub
|
||||
|
||||
# this must be last!
|
||||
# in posix mode, a function name must be a valid identifier
|
||||
# this can't go in posix2.tests, since it causes the shell to exit
|
||||
|
||||
@@ -5,6 +5,7 @@ set -u
|
||||
|
||||
( echo ${#array} )
|
||||
( echo ${array} )
|
||||
( echo ${array[7]} )
|
||||
|
||||
set -- 1 2 3
|
||||
( echo ${#7} )
|
||||
|
||||
@@ -29,3 +29,15 @@ echo after indir: $?
|
||||
|
||||
function ivar() { echo -n "${!1:-${1}}"; }
|
||||
ivar -3
|
||||
|
||||
foo=bar
|
||||
echo ${!foo}
|
||||
echo ${!foo:-unset}
|
||||
|
||||
echo ${!var:-unset}
|
||||
echo ${!var+unset}
|
||||
|
||||
foo=invalid-ident
|
||||
echo ${!foo}
|
||||
echo ${!foo:-unset}
|
||||
echo ${!foo+unset}
|
||||
|
||||
@@ -0,0 +1,15 @@
|
||||
: ${THIS_SH:=./bash}
|
||||
readonly x=4
|
||||
|
||||
# in posix mode, these are all variable assignment errors, so strict conformance
|
||||
# implies that we exit after any of them. ksh93 doesn't do that. we more-or-less
|
||||
# emulate the ksh93 behavior
|
||||
|
||||
x=8 notthere
|
||||
echo after no such command: $?
|
||||
x=8 echo echo builtin
|
||||
echo after non-special builtin: $?
|
||||
( x=8 : nosuchdir
|
||||
echo after special builtin: $? )
|
||||
( x=8 $nocmd
|
||||
echo after assignment error: $? )
|
||||
@@ -388,3 +388,16 @@ ok 6
|
||||
ok 7
|
||||
ok 8
|
||||
ok 9
|
||||
argv[1] = <file.o>
|
||||
argv[1] = <posix>
|
||||
argv[1] = </src/cmd>
|
||||
argv[1] = <three>
|
||||
argv[1] = </one/two/three>
|
||||
abcdefg
|
||||
abcdefg
|
||||
abcdefg
|
||||
abcdefg
|
||||
cdefg
|
||||
abcdefg
|
||||
abcde
|
||||
abcdefg
|
||||
|
||||
@@ -407,3 +407,4 @@ ${THIS_SH} ./exp8.sub
|
||||
${THIS_SH} ./exp9.sub
|
||||
${THIS_SH} ./exp10.sub
|
||||
${THIS_SH} ./exp11.sub
|
||||
${THIS_SH} ./exp12.sub
|
||||
|
||||
@@ -0,0 +1,38 @@
|
||||
# force single-byte versions of these functions
|
||||
|
||||
export LANG=C
|
||||
|
||||
# remove shortest trailing match
|
||||
x=file.c
|
||||
recho ${x%.c}.o
|
||||
|
||||
# remove longest trailing match
|
||||
x=posix/src/std
|
||||
recho ${x%%/*}
|
||||
|
||||
# remove shortest leading pattern
|
||||
x=$HOME/src/cmd
|
||||
recho ${x#$HOME}
|
||||
|
||||
# remove longest leading pattern
|
||||
x=/one/two/three
|
||||
recho ${x##*/}
|
||||
|
||||
# and no match thrown in for good measure
|
||||
recho ${x#nomatch}
|
||||
|
||||
foo=abcdefg
|
||||
|
||||
# fail
|
||||
echo ${foo%ab}
|
||||
echo ${foo%def}
|
||||
|
||||
echo ${foo#fg}
|
||||
echo ${foo#def}
|
||||
|
||||
# succeed
|
||||
echo ${foo#ab}
|
||||
echo ${foo#def}
|
||||
|
||||
echo ${foo%fg}
|
||||
echo ${foo%def}
|
||||
@@ -113,3 +113,4 @@ a b c
|
||||
a b c
|
||||
.x .y .z a b c
|
||||
.x .y .z a b c
|
||||
*
|
||||
|
||||
@@ -374,4 +374,6 @@ ${THIS_SH} ./extglob3.sub
|
||||
|
||||
${THIS_SH} ./extglob4.sub
|
||||
|
||||
${THIS_SH} ./extglob5.sub
|
||||
|
||||
exit 0
|
||||
|
||||
@@ -0,0 +1,17 @@
|
||||
# globignore extglob patterns containing colons -- problem until bash-4.2
|
||||
|
||||
: ${TMPDIR:=/tmp}
|
||||
TESTDIR=$TMPDIR/bash-globignore-$$
|
||||
[ -d "$TESTDIR" ] || mkdir "$TESTDIR"
|
||||
|
||||
cd "$TESTDIR" || exit 2
|
||||
|
||||
shopt -s extglob
|
||||
GLOBIGNORE='+([^[:alnum:]]):@([-.,:; _]):[![:alnum:]]'
|
||||
|
||||
touch ';' '++'
|
||||
echo *
|
||||
|
||||
rm ';' '++'
|
||||
|
||||
cd $OLDPWD
|
||||
@@ -181,6 +181,15 @@ echo g
|
||||
g
|
||||
eval echo "echo g"
|
||||
echo g
|
||||
h
|
||||
echo \!\! `echo echo h`
|
||||
!! echo h
|
||||
i
|
||||
echo echo i `echo echo i`
|
||||
echo i echo i
|
||||
j
|
||||
echo `echo j` echo j
|
||||
j echo j
|
||||
a
|
||||
cat < <(echo echo a)
|
||||
echo a
|
||||
|
||||
@@ -31,5 +31,14 @@ echo "!!"
|
||||
echo g
|
||||
eval echo "!!"
|
||||
|
||||
echo h
|
||||
echo \!\! `echo !!`
|
||||
|
||||
echo i
|
||||
echo !! `echo !!`
|
||||
|
||||
echo j
|
||||
echo `echo j` !!
|
||||
|
||||
set +o history
|
||||
rm -f $HISTFILE # just in case
|
||||
|
||||
@@ -152,7 +152,7 @@ b1()
|
||||
b2()
|
||||
{
|
||||
recho $*
|
||||
recho $#
|
||||
recho ${#}
|
||||
}
|
||||
|
||||
expect '<1>'
|
||||
@@ -414,7 +414,7 @@ recho ${#}
|
||||
expect '<5>'
|
||||
recho ${#?:-xyz}
|
||||
|
||||
shift $#
|
||||
shift ${#}
|
||||
|
||||
expect '<0>'
|
||||
recho ${#:-foo}
|
||||
|
||||
@@ -226,6 +226,13 @@ declare -r RO="x"
|
||||
./nameref11.sub: line 39: declare: RO_PID: not found
|
||||
./nameref11.sub: line 41: RO2: readonly variable
|
||||
declare -r RO2="a"
|
||||
2
|
||||
./nameref11.sub: line 52: typeset: `2': invalid variable name for name reference
|
||||
2
|
||||
./nameref11.sub: line 57: typeset: `2': invalid variable name for name reference
|
||||
2
|
||||
./nameref11.sub: line 62: foo[2]: invalid indirect expansion
|
||||
./nameref11.sub: line 63: bar: invalid indirect expansion
|
||||
./nameref12.sub: line 6: declare: `/': invalid variable name for name reference
|
||||
./nameref12.sub: line 9: declare: `%': invalid variable name for name reference
|
||||
./nameref12.sub: line 13: `^': not a valid identifier
|
||||
|
||||
@@ -39,3 +39,25 @@ unset -n ref ; unset ref
|
||||
declare -r RO RO_PID; coproc RO { :; }; declare -p RO_PID; wait; declare -p RO RO_PID
|
||||
|
||||
declare -r RO2=a; declare -n ref_PID=RO2; coproc ref { :; }; wait; declare -p RO2
|
||||
|
||||
unset x y
|
||||
set -- one two three
|
||||
|
||||
y=2
|
||||
typeset -n x=y
|
||||
echo ${x}
|
||||
|
||||
unset -n x
|
||||
|
||||
typeset -n y
|
||||
echo $y
|
||||
|
||||
unset -n y
|
||||
|
||||
typeset -n y
|
||||
y=2
|
||||
echo ${y}
|
||||
|
||||
declare -n foo=bar
|
||||
echo ${!foo[2]}
|
||||
echo ${!bar}
|
||||
|
||||
+22
-1
@@ -169,6 +169,7 @@ lines.
|
||||
This-string-has-multiple-lines.
|
||||
this is a test of proc subst
|
||||
this is test 2
|
||||
a
|
||||
./new-exp2.sub: line 42: /tmp/redir-notthere: No such file or directory
|
||||
1
|
||||
|
||||
@@ -642,6 +643,26 @@ ir
|
||||
a b c d e
|
||||
5
|
||||
a5b
|
||||
abcxxxdef
|
||||
abcådef
|
||||
ḅć
|
||||
Ã¥
|
||||
prependḅć
|
||||
Ã¥append
|
||||
prependå
|
||||
ḅćappend
|
||||
Ã¥
|
||||
ḅć
|
||||
ḅć
|
||||
ḅć
|
||||
Ã¥
|
||||
Ã¥
|
||||
Ã¥
|
||||
ḅć
|
||||
Ã¥
|
||||
Ã¥
|
||||
ḅć
|
||||
ḅć
|
||||
argv[1] = </>
|
||||
argv[1] = </>
|
||||
./new-exp.tests: line 608: ABXD: parameter unset
|
||||
./new-exp.tests: line 611: ABXD: parameter unset
|
||||
|
||||
+5
-2
@@ -340,7 +340,7 @@ recho "${foo:-$@}"
|
||||
expect '<ab> <cd> <ef> <gh>'
|
||||
recho "${foo:-"$@"}"
|
||||
|
||||
shift $#
|
||||
shift ${#}
|
||||
expect nothing
|
||||
recho $xxx"$@"
|
||||
expect nothing
|
||||
@@ -498,7 +498,7 @@ recho ${*%?}
|
||||
recho ${@#?}
|
||||
recho ${*#?}
|
||||
|
||||
shift $#
|
||||
shift ${#}
|
||||
set -u
|
||||
( recho $9 ; echo after 1)
|
||||
( recho ${9} ; echo after 2)
|
||||
@@ -597,6 +597,9 @@ ${THIS_SH} ./new-exp9.sub
|
||||
# new parameter transformation `@' expansion operator
|
||||
${THIS_SH} ./new-exp10.sub
|
||||
|
||||
# parameter substring replacement and removal operators with multibyte chars
|
||||
${THIS_SH} ./new-exp11.sub
|
||||
|
||||
# problems with stray CTLNUL in bash-4.0-alpha
|
||||
unset a
|
||||
a=/a
|
||||
|
||||
@@ -10,3 +10,7 @@ echo this is test 2 > $FN
|
||||
expect this is test 2
|
||||
cat <(cat $FN)
|
||||
rm -f $FN
|
||||
|
||||
foo=
|
||||
expect a
|
||||
cat ${foo:-<(echo a)}
|
||||
|
||||
@@ -0,0 +1,46 @@
|
||||
# pattern matching and replacement operators with multibyte characters
|
||||
|
||||
LANG=en_US.UTF-8
|
||||
|
||||
s1='abcådef'
|
||||
s2='Ã¥'
|
||||
s3='ḅć'
|
||||
|
||||
s23=${s2}${s3}
|
||||
|
||||
echo ${s1/$s2/xxx}
|
||||
echo ${s1/$s3/xxx}
|
||||
|
||||
echo ${s23/#$s2/}
|
||||
echo ${s23/%$s3/}
|
||||
|
||||
echo ${s23/#$s2/prepend}
|
||||
echo ${s23/%$s3/append}
|
||||
|
||||
echo ${s2/#/prepend}
|
||||
echo ${s3/%/append}
|
||||
|
||||
echo ${s2/#/}
|
||||
echo ${s3/%/}
|
||||
|
||||
recho ${s2/$s2/}
|
||||
recho ${s3/$s3/}
|
||||
|
||||
# posix pattern replacements
|
||||
|
||||
echo ${s23##$s2}
|
||||
echo ${s23#$s2}
|
||||
|
||||
echo ${s23%%$s3}
|
||||
echo ${s23%$s3}
|
||||
|
||||
# fail
|
||||
|
||||
echo ${s2/#ab/xx}
|
||||
echo ${s3/%ab/xx}
|
||||
|
||||
echo ${s2#ab}
|
||||
echo ${s2##ab}
|
||||
|
||||
echo ${s3%ab}
|
||||
echo ${s3%%ab}
|
||||
@@ -18,4 +18,7 @@ ${THIS_SH} -c 'echo ${1?}' 2>/dev/null && exit 11
|
||||
${THIS_SH} -c 'echo ${1?}' ${THIS_SH} x >/dev/null || exit 12
|
||||
${THIS_SH} -c 'echo ${2?}' ${THIS_SH} x 2>/dev/null && exit 13
|
||||
${THIS_SH} -c 'echo ${2?}' ${THIS_SH} x y >/dev/null || exit 14
|
||||
|
||||
${THIS_SH} -c $'echo $(( x+ )) \n exit 0' ${THIS_SH} 2>/dev/null && exit 15
|
||||
|
||||
exit 0
|
||||
|
||||
@@ -66,6 +66,12 @@ argv[2] = <ab>
|
||||
${
|
||||
argv[1] = <(")>
|
||||
argv[1] = <(")>
|
||||
string \
|
||||
string \
|
||||
string \
|
||||
string \
|
||||
string \
|
||||
string \}
|
||||
'weferfds'\''dsfsdf'
|
||||
'weferfdsdsfsdf'
|
||||
'weferfds'\''dsfsdf'
|
||||
|
||||
@@ -109,4 +109,15 @@ recho `echo "(\\")"`
|
||||
# ultimate workaround
|
||||
recho `echo "(\")"`
|
||||
|
||||
# various strings ending in backslashes
|
||||
|
||||
echo 'string \'
|
||||
echo "string \\"
|
||||
|
||||
echo string\ \\
|
||||
|
||||
echo ${foo:-'string \'}
|
||||
echo "${foo:-string \\}"
|
||||
echo ${foo:-string \\\}}
|
||||
|
||||
${THIS_SH} ./quote1.sub
|
||||
|
||||
@@ -26,6 +26,10 @@
|
||||
+ x=i
|
||||
+ case x in
|
||||
+ x=i
|
||||
+ foo=one
|
||||
+ foo+=two
|
||||
+ echo onetwo
|
||||
onetwo
|
||||
+ set +x
|
||||
1
|
||||
2
|
||||
|
||||
@@ -14,6 +14,11 @@ case x in
|
||||
0) x=i ;;
|
||||
*) x=i ;;
|
||||
esac
|
||||
|
||||
foo=one
|
||||
foo+=two
|
||||
echo $foo
|
||||
|
||||
set +x
|
||||
|
||||
# test BASH_XTRACEFD
|
||||
|
||||
@@ -128,6 +128,13 @@ outer: res: X Y
|
||||
main: after second call: X
|
||||
func: null or unset
|
||||
after func: x = outside
|
||||
./varenv11.sub: line 4: local: qux: readonly variable
|
||||
./varenv11.sub: line 5: qux: readonly variable
|
||||
declare -A foo=([one]="one" [zero]="zero" )
|
||||
declare -a bar=([0]="zero" [1]="one")
|
||||
declare -A foo=([one]="one" [zero]="zero" )
|
||||
declare -a bar=([0]="zero" [1]="one")
|
||||
./varenv11.sub: line 29: a: readonly variable
|
||||
a=z
|
||||
a=b
|
||||
a=z
|
||||
|
||||
@@ -228,5 +228,8 @@ ${THIS_SH} ./varenv9.sub
|
||||
# more tests of unset and local variables with dynamic scoping
|
||||
${THIS_SH} ./varenv10.sub
|
||||
|
||||
# tests of compound assignments in function scope
|
||||
${THIS_SH} ./varenv11.sub
|
||||
|
||||
# make sure variable scoping is done right
|
||||
tt() { typeset a=b;echo a=$a; };a=z;echo a=$a;tt;echo a=$a
|
||||
|
||||
@@ -0,0 +1,30 @@
|
||||
# couple of errors here
|
||||
func()
|
||||
{
|
||||
local qux=7
|
||||
local qux=(one two)
|
||||
local what=(zero one two)
|
||||
}
|
||||
|
||||
readonly qux=42
|
||||
func
|
||||
|
||||
func2()
|
||||
{
|
||||
declare -gA foo=([zero]=zero [one]=one)
|
||||
declare -ga bar=(zero one)
|
||||
}
|
||||
|
||||
foo=help
|
||||
bar=me
|
||||
|
||||
func2
|
||||
|
||||
declare -p foo bar
|
||||
unset foo bar
|
||||
func2
|
||||
declare -p foo bar
|
||||
|
||||
readonly a=7
|
||||
a=(1 2 3)
|
||||
|
||||
Reference in New Issue
Block a user