commit bash-20050714 snapshot

This commit is contained in:
Chet Ramey
2011-12-03 13:48:37 -05:00
parent fd3925f15a
commit 1569c106f1
17 changed files with 6832 additions and 143 deletions
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@@ -1,3 +1,363 @@
This document details the changes between this version, bash-3.1-alpha1,
and the previous version, bash-3.0-release.
1. Changes to Bash
a. Fixed a bug that caused bash to crash if referencing an unset local array.
b. Fixed a problem that caused tilde expansion to not be performed before
attempting globbing word completion.
c. Fixed an incompatibility so that a first argument to trap that's a valid
signal number will be trated as a signal rather than a command to execute.
d. Fixed ${#word} expansion to correctly compute the length of a string
containing multibyte characters.
e. Fixed a bug that caused bash to not pass the correct flags for signal
disposition to child processes.
f. Fixed a bug that caused `fc -l' to list one too many history entries.
g. Some fixes to `fc' for POSIX conformance.
h. Some fixes to job status display for POSIX conformance.
i. Fixed a bug that caused `command -v' to display output if a command was not
found -- it should be silent.
j. In POSIX mode, `type' and `command -[vV]' do not report non-executable
files, even if the shell will attempt to execute them.
k. Fixed a bug that caused the `==' operator to the [[ command to not attempt
extended pattern matching.
l. Fixed the brace expansion code to handle characters whose value exceeds 128.
m. Fixed `printf' to handle strings with a leading `\0' whose length is
non-zero.
n. Fixed a couple of problems with brace expansion where `${' was handled
incorrectly.
o. Fixed off-by-one error when calculating the upper bound of `offset' when
processing the ${array[@]:offset:length} expansion.
p. System-specific configuration changes for: FreeBSD 5.x, Interix, MacOS X
10.4, Linux 2.4+ kernels, Linux 3.x kernels, Dragonfly BSD, QNX 6.x,
Cygwin
q. Fixed a bug that caused the shell to ignore the status of the rightmost
command in a pipeline when the `pipefail' option was enabled.
r. Fixed a completion bug that caused core dumps when expanding a directory
name.
s. Fixed a bug that prevented `hash -d' from removing commands from the hash
table.
t. Fixed word splitting to avoid really bad quadratic performance when
expanding long lists.
u. Fixed a bug that caused negative offsets in substring expansion to use the
wrong values.
v. Fixed a bug in printf that caused it to not return failure on write errors.
w. Fixed a bug that caused commands in subshells to not be properly timed.
x. The shell parser no longer attempts to parse a compound assignment specially
unless in a position where an assignment statement is acceptable or parsing
arguments to a builtin that accepts assignment statements.
y. Fixed a problem that caused a `case' statement to be added to the history
incorrectly as a single command if the `case word' was on one line and the
`in' on another.
z. Fixed a problem that caused internal shell quoting characters to be
incorrectly quoted with backslashes under some circumstances.
aa. The shell now performs correct word splitting when IFS contains multibyte
characters.
bb. The mail checking code now resets the cached file information if the size
drops to 0, even if the times don't change.
cc. A completed command name that is found in $PATH as well as the name of a
directory in the current directory no longer has a slash appended in certain
circumstances: a single instance found in $PATH when `.' is not in $PATH,
and multiple instances found in $PATH, even when `.' is in $PATH.
dd. Incorporated tilde expansion into the word expansion code rather than as a
separately-called function, fixing some cases where it was performed
inappropriately (e.g., after the second `=' in an assignment statement or
in a double-quoted parameter expansion).
ee. Fixed several bugs encountered when parsing compound assignment statements,
so that compound assignments appearing as arguments to builtins are no
longer double-expanded.
ff. Fixed a bug in the command execution code that caused asynchronous commands
containing command substitutions to not put the terminal in the wrong
process group.
gg. Bash now handles the case where the WCONTINUED flag causes waitpid() to
return -1/EINVAL at runtime as well as configuration time.
hh. Fixed parser to generate an error when the pipeline `argument' to `!' or
`time' is NULL.
ii. The shell now takes a little more care when manipulating file descriptors
greater than 9 with the `exec' builtin.
jj. Fixed a bug that caused variable assignments preceding the `command' builtin
preceding a special builtin to be preserved after the command completed in
POSIX mode.
kk. Fixed a bug that allowed variables beginning with a digit to be created.
ll. Fixed a bug that caused a \<newline> to be removed when parsing a $'...'
construct.
mm. A shell whose name begins with `-' will now be a restricted shell if the
remainder of the name indicates it should be restricted.
nn. Fixed a bug that could cause a core dump if FUNCNAME were changed or unset
during a function's execution.
oo. Fixed a bug that caused executing a `return' in a function to not execute
a RETURN trap. The RETURN trap is inherited by shell functions only if
function tracing is globally enabled or has been enabled for that function.
pp. Fixed cases where var[@] was not handled exactly like var, when var is a
scalar variable.
qq. Fixed a bug that caused the first character after a SIGINT to be discarded
under certain circumstances.
rr. Fixed exit status code so that a suspended job returns 128+signal as its
exit status (preventing commands after it in `&&' lists from being
executed).
ss. Fixed a bug that caused the shell parser state to be changed by executing
a shell function as a result of word completion.
tt. Fixed a long-standing bug that caused '\177' characters in variable
values to be discarded when expanded in double-quoted strings.
uu. Fixed a bug that caused $RANDOM to be re-seeded multiple times in a
subshell environment.
vv. Extensive changes to the job management code to avoid the pid-reuse and
pid-aliasing problems caused by retaining the exit status of too many jobs,
but still retain as many background job statuses as POSIX requires.
ww. Fixed a parser bug in processing \<newline> that caused things like
((echo 5) \
(echo 6))
to not work correctly.
xx. `pwd -P' now sets $PWD to a directory name containing no symbolic links
when in posix mode, as POSIX requires.
yy. In posix mode, bash no longer sets $PWD to a name containing no symbolic
links if a directory is chosen from $CDPATH.
zz. The word splitting code now treats an IFS character that is not space,
tab, or newline and any adjacent IFS white space as a single delimiter, as
SUSv3/XPG6 require.
aaa. The `read' builtin now checks whether or not the number of fields read is
exactly the same as the number of variables instead of just assigning the
rest of the line (minus any trailing IFS white space) to the last
variable. This is what POSIX/SUS/XPG all require.
bbb. Fixed a bug that caused `read' to always check whether or not fd 0 was a
pipe, even when reading from another file descriptor.
ccc. Fixed a bug that caused short-circuiting of execution even if the return
value was being inverted.
ddd. Fixed a bug that caused a core dump while decoding \W escapes in PS1 if
PWD was unset.
eee. Fixed a bug in `read' that counted internal quoting characters for the
purposes of `read -n'.
fff. Fixed a bug so that a function definition in a pipeline causes a child
process to be forked at the right time.
ggg. Bash will not attempt to link against a readline library that doesn't
have rl_gnu_readline_p == 1.
hhh. Fixed a bug that caused `read' to consume one too many characters when
reading a fixed number of characters and the Nth character is a backslash.
iii. Fixed a bug that caused `unset' on variables in the temporary environment
to leave them set when `unset' completed.
jjj. Fixed a bug that caused bash to close fd 2 if an `exec' failed and the
shell didn't exit.
kkk. The completion code is more careful to not turn `/' or `///' into `//',
for those systems on which `//' has special meaning.
lll. Fixed a bug that caused command substitution in asynchronous commands to
close the wrong file descriptors.
mmm. The shell no longer prints status messages about terminated background
processes unless job control is active.
nnn. Fixed a bug that prevented multiple consecutive invocations of `history -s'
from adding all the commands to the history list.
ooo. Added a couple of changes to make arithmetic expansion more consistent in
all its contexts (still not perfect).
ppp. Fixed a bug that caused the parser to occasionally not find the right
terminating "`" in an old-style command substitution.
qqq. Fixed a bug that caused core dumps when the shell was reading its non-
interactive input from fd 0 and fd 0 was duplicated and restored using a
combination of `exec' (to save) and redirection (to restore).
2. Changes to Readline
a. Fixed a bug that caused multiliine prompts to be wrapped and displayed
incorrectly.
b. Fixed a bug that caused ^P/^N in emacs mode to fail to display the current
line correctly.
c. Fixed a problem in computing the number of invisible characters on the first
line of a prompt whose length exceeds the screen width.
d. Fixed vi-mode searching so that failure preserves the current line rather
than the last line in the history list.
e. Fixed the vi-mode `~' command (change-case) to have the correct behavior at
end-of-line when manipulating multibyte characters.
f. Fixed the vi-mode `r' command (change-char) to have the correct behavior at
end-of-line when manipulating multibyte characters.
g. Fixed multiple bugs in the redisplay of multibyte characters: displaying
prompts longer than the screen width containing multibyte characters,
h. Fix the calculation of the number of physical characters in the prompt
string when it contains multibyte characters.
i. A non-zero value for the `rl_complete_suppress_append' variable now causes
no `/' to be appended to a directory name.
j. Fixed forward-word and backward-word to work when words contained
multibyte characters.
k. Fixed a bug in finding the delimiter of a `?' substring when performing
history expansion in a locale that supports multibyte characters.
l. Fixed a memory leak caused by not freeing the timestamp in a history entry.
m. Fixed a bug that caused "\M-x" style key bindings to not obey the setting
of the `convert-meta' variable.
n. Fixed saving and restoring primary prompt when prompting for incremental
and non-incremental searches; search prompts now display multibyte
characters correctly.
o. Fixed a bug that caused keys originally bound to self-insert but shadowed
by a multi-character key sequence to not be inserted.
p. Fixed code so rl_prep_term_function and rl_deprep_term_function aren't
dereferenced if NULL (matching the documentation).
q. Extensive changes to readline to add enough state so that commands
requiring additional characters (searches, multi-key sequences, numeric
arguments, commands requiring an additional specifier character like
vi-mode change-char, etc.) work without synchronously waiting for
additional input.
r. Lots of changes so readline builds and runs on MinGW.
s. Readline no longer tries to modify the terminal settings when running in
callback mode.
3. New Features in Bash
a. Bash now understands LC_TIME as a special variable so that time display
tracks the current locale.
b. BASH_ARGC, BASH_ARGV, BASH_SOURCE, and BASH_LINENO are no longer created
as `invisible' variables and may not be unset.
c. In POSIX mode, if `xpg_echo' option is enabled, the `echo' builtin doesn't
try to interpret any options at all, as POSIX requires.
d. The `bg' builtin now accepts multiple arguments, as POSIX seems to specify.
e. Fixed vi-mode word completion and glob expansion to perform tilde
expansion.
f. The `**' mathematic exponentiation operator is now right-associative.
g. The `ulimit' builtin has new options: -i (max number of pending signals),
-q (max size of POSIX message queues), and -x (max number of file locks).
h. A bare `%' once again expands to the current job when used as a job
specifier.
i. The `+=' assignment operator (append to the value of a string or array) is
now supported for assignment statements and arguments to builtin commands
that accept assignment statements.
j. BASH_COMMAND now preserves its value when a DEBUG trap is executed.
k. The `gnu_errfmt' option is enabled automatically if the shell is running
in an emacs terminal window.
l. New configuration option: --single-help-strings. Causes long help text
to be written as a single string; intended to ease translation.
m. The COMP_WORDBREAKS variable now causes the list of word break characters
to be emptied when the variable is unset.
n. An unquoted expansion of $* when $IFS is empty now causes the positional
parameters to be concatenated if the expansion doesn't undergo word
splitting.
o. Bash now inherits $_ from the environment if it appears there at startup.
p. New shell option: nocasematch. If non-zero, shell pattern matching ignores
case when used by `case' and `[[' commands.
q. The `printf' builtin takes a new option: -v var. That causes the output
to be placed into var instead of on stdout.
r. By default, the shell no longer reports processes dying from SIGPIPE.
s. Bash now sets the extern variable `environ' to the export environment it
creates, so C library functions that call getenv() (and can't use the
shell-provided replacement) get current values of environment variables.
4. New Features in Readline
a. The key sequence sent by the keypad `delete' key is now automatically
bound to delete-char.
b. A negative argument to menu-complete now cycles backward through the
completion list.
c. A new bindable readline variable: bind-tty-special-chars. If non-zero,
readline will bind the terminal special characters to their readline
equivalents when it's called (on by default).
d. New bindable command: vi-rubout. Saves deleted text for possible
reinsertion, as with any vi-mode `text modification' command; `X' is bound
to this in vi command mode.
------------------------------------------------------------------------------
This document details the changes between this version, bash-3.0-release,
and the previous version, bash-3.0-rc1.
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+13 -2
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@@ -11497,7 +11497,7 @@ lib/readline/search.c
the callback code more easily
lib/readline/text.c
- in rl_quoted_insert(), don't messa around with the tty signals if
- in rl_quoted_insert(), don't mess around with the tty signals if
running in `callback mode'
lib/readline/vi_mode.c
@@ -11527,7 +11527,7 @@ lib/readline/readline.c
to use it - rudimentary support for supporting the existing
recursion using a stack of contexts, each with a reference to the
previous
- fix so that ^G works when in callback mode
- fix so that ^G works when in callback mode
lib/readline/callback.c
- call the appropriate multiple-key sequence callback if the state is
@@ -11772,3 +11772,14 @@ shell.c
making the arg list
- in main(), make sure arg_index is not initialized to a value greater
than argc
7/14
----
lib/readline/display.c
- in expand_prompt, don't set the location of the last invisible
char if the sequence is zero length (\[\])
7/15
----
doc/{bash.1,bashref.texi}
- document that the shell uses $TMPDIR when creating temporary files
+22 -2
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@@ -11497,7 +11497,7 @@ lib/readline/search.c
the callback code more easily
lib/readline/text.c
- in rl_quoted_insert(), don't messa around with the tty signals if
- in rl_quoted_insert(), don't mess around with the tty signals if
running in `callback mode'
lib/readline/vi_mode.c
@@ -11761,5 +11761,25 @@ configure.in
input.c
- in duplicate_buffered_stream, don't call free_buffered_stream if the
two buffered streams share the same b_buffer object (e.g., if they
had already been duplicated with a previous call). Fixes bug
had already been duplicated with a previous call). Fixes Debian bug
reported by eero17@bigfoot.com
7/12
----
shell.c
- make set_shell_name more resistant to a NULL argument
- in bind_args, use < instead of != when counting the arguments and
making the arg list
- in main(), make sure arg_index is not initialized to a value greater
than argc
7/14
----
lib/readline/display.c
- in expand_prompt, don't set the location of the last invisible
char if the sequence is zero length (\[\])
7/15
----
doc/{bash.1,bashref.texi}
- document that the shell uses $TMPDIR when creating temporary files
+78
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@@ -1,3 +1,81 @@
This is a terse description of the new features added to bash-3.1 since
the release of bash-3.0. As always, the manual page (doc/bash.1) is
the place to look for complete descriptions.
1. New Features in Bash
a. Bash now understands LC_TIME as a special variable so that time display
tracks the current locale.
b. BASH_ARGC, BASH_ARGV, BASH_SOURCE, and BASH_LINENO are no longer created
as `invisible' variables and may not be unset.
c. In POSIX mode, if `xpg_echo' option is enabled, the `echo' builtin doesn't
try to interpret any options at all, as POSIX requires.
d. The `bg' builtin now accepts multiple arguments, as POSIX seems to specify.
e. Fixed vi-mode word completion and glob expansion to perform tilde
expansion.
f. The `**' mathematic exponentiation operator is now right-associative.
g. The `ulimit' builtin has new options: -i (max number of pending signals),
-q (max size of POSIX message queues), and -x (max number of file locks).
h. A bare `%' once again expands to the current job when used as a job
specifier.
i. The `+=' assignment operator (append to the value of a string or array) is
now supported for assignment statements and arguments to builtin commands
that accept assignment statements.
j. BASH_COMMAND now preserves its value when a DEBUG trap is executed.
k. The `gnu_errfmt' option is enabled automatically if the shell is running
in an emacs terminal window.
l. New configuration option: --single-help-strings. Causes long help text
to be written as a single string; intended to ease translation.
m. The COMP_WORDBREAKS variable now causes the list of word break characters
to be emptied when the variable is unset.
n. An unquoted expansion of $* when $IFS is empty now causes the positional
parameters to be concatenated if the expansion doesn't undergo word
splitting.
o. Bash now inherits $_ from the environment if it appears there at startup.
p. New shell option: nocasematch. If non-zero, shell pattern matching ignores
case when used by `case' and `[[' commands.
q. The `printf' builtin takes a new option: -v var. That causes the output
to be placed into var instead of on stdout.
r. By default, the shell no longer reports processes dying from SIGPIPE.
s. Bash now sets the extern variable `environ' to the export environment it
creates, so C library functions that call getenv() (and can't use the
shell-provided replacement) get current values of environment variables.
2. New Features in Readline
a. The key sequence sent by the keypad `delete' key is now automatically
bound to delete-char.
b. A negative argument to menu-complete now cycles backward through the
completion list.
c. A new bindable readline variable: bind-tty-special-chars. If non-zero,
readline will bind the terminal special characters to their readline
equivalents when it's called (on by default).
d. New bindable command: vi-rubout. Saves deleted text for possible
reinsertion, as with any vi-mode `text modification' command; `X' is bound
to this in vi command mode.
-------------------------------------------------------------------------------
This is a terse description of the new features added to bash-3.0 since
the release of bash-2.05b. As always, the manual page (doc/bash.1) is
the place to look for complete descriptions.
+1100
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+1 -1
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@@ -1,7 +1,7 @@
Introduction
============
This is GNU Bash, version 3.0. Bash is the GNU Project's Bourne
This is GNU Bash, version 3.1. Bash is the GNU Project's Bourne
Again SHell, a complete implementation of the POSIX.2 shell spec,
but also with interactive command line editing, job control on
architectures that support it, csh-like features such as history
+90
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@@ -0,0 +1,90 @@
Introduction
============
This is GNU Bash, version 3.0. Bash is the GNU Project's Bourne
Again SHell, a complete implementation of the POSIX.2 shell spec,
but also with interactive command line editing, job control on
architectures that support it, csh-like features such as history
substitution and brace expansion, and a slew of other features.
For more information on the features of Bash that are new to this
type of shell, see the file `doc/bashref.texi'. There is also a
large Unix-style man page. The man page is the definitive description
of the shell's features.
See the file POSIX for a discussion of how the Bash defaults differ
from the POSIX.2 spec and a description of the Bash `posix mode'.
There are some user-visible incompatibilities between this version
of Bash and a previous widely-distributed version, bash-1.14.
For details, see the file COMPAT. The NEWS file tersely lists
features that are new in this release.
Bash is free software, distributed under the terms of the [GNU]
General Public License, version 2. For more information, see the
file COPYING.
A number of frequently-asked questions are answered in the file
`doc/FAQ'.
To compile Bash, try typing `./configure', then `make'. Bash
auto-configures the build process, so no further intervention
should be necessary. Bash builds with `gcc' by default if it is
available. If you want to use `cc' instead, type
CC=cc ./configure
if you are using a Bourne-style shell. If you are not, the following
may work:
env CC=cc ./configure
Read the file INSTALL in this directory for more information about how
to customize and control the build process. The file NOTES contains
platform-specific installation and configuration information.
If you are a csh user and wish to convert your csh aliases to Bash
aliases, you may wish to use the script `examples/misc/alias-conv.sh'
as a starting point. The script `examples/misc/cshtobash' is a
more ambitious script that attempts to do a more complete job.
Reporting Bugs
==============
Bug reports for bash should be sent to:
bug-bash@gnu.org
using the `bashbug' program that is built and installed at the same
time as bash.
The discussion list `bug-bash@gnu.org' often contains information
about new ports of Bash, or discussions of new features or behavior
changes that people would like. This mailing list is also available
as a usenet newsgroup: gnu.bash.bug.
When you send a bug report, please use the `bashbug' program that is
built at the same time as bash. If bash fails to build, try building
bashbug directly with `make bashbug'. If you cannot build `bashbug',
please send mail to bug-bash@gnu.org with the following information:
* the version number and release status of Bash (e.g., 2.05a-release)
* the machine and OS that it is running on (you may run
`bashversion -l' from the bash build directory for this information)
* a list of the compilation flags or the contents of `config.h', if
appropriate
* a description of the bug
* a recipe for recreating the bug reliably
* a fix for the bug if you have one!
The `bashbug' program includes much of this automatically.
If you would like to contact the Bash maintainers directly, send mail
to bash-maintainers@gnu.org.
While the Bash maintainers do not promise to fix all bugs, we would
like this shell to be the best that we can make it.
Enjoy!
Chet Ramey
chet@po.cwru.edu
+86 -86
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@@ -15,101 +15,101 @@
'configure.in'
],
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'AC_FUNC_WAIT3' => 1,
'AM_INIT_AUTOMAKE' => 1,
'AC_FUNC_MALLOC' => 1,
'AC_FUNC_ALLOCA' => 1,
'AM_MAINTAINER_MODE' => 1,
'AC_PROG_CPP' => 1,
'AC_FUNC_MEMCMP' => 1,
'm4_include' => 1,
'AC_CHECK_HEADERS' => 1,
'AC_FUNC_FSEEKO' => 1,
'AC_REPLACE_FNMATCH' => 1,
'AC_TYPE_UID_T' => 1,
'AC_PROG_CXX' => 1,
'AC_TYPE_PID_T' => 1,
'AC_FUNC_SELECT_ARGTYPES' => 1,
'AC_FUNC_ERROR_AT_LINE' => 1,
'AC_TYPE_SIGNAL' => 1,
'AC_FUNC_STRERROR_R' => 1,
'AC_PROG_GCC_TRADITIONAL' => 1,
'AC_C_INLINE' => 1,
'_m4_warn' => 1,
'AC_FUNC_STRTOD' => 1,
'AC_PROG_AWK' => 1,
'AC_FUNC_GETLOADAVG' => 1,
'AC_FUNC_SETPGRP' => 1,
'AC_CONFIG_FILES' => 1,
'AM_GNU_GETTEXT' => 1,
'include' => 1,
'AC_FUNC_STRNLEN' => 1,
'AC_HEADER_MAJOR' => 1,
'AC_FUNC_SETVBUF_REVERSED' => 1,
'AC_INIT' => 1,
'AC_CONFIG_HEADERS' => 1,
'AC_FUNC_CLOSEDIR_VOID' => 1,
'AC_C_CONST' => 1,
'AC_HEADER_STAT' => 1,
'AC_TYPE_MODE_T' => 1,
'AC_FUNC_GETGROUPS' => 1,
'AC_FUNC_OBSTACK' => 1,
'AC_STRUCT_TM' => 1,
'AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK' => 1,
'AC_CHECK_TYPES' => 1,
'AH_OUTPUT' => 1,
'AC_FUNC_MMAP' => 1,
'AC_STRUCT_TIMEZONE' => 1,
'AC_FUNC_MKTIME' => 1,
'AC_HEADER_STDC' => 1,
'AC_PROG_CC' => 1,
'm4_pattern_forbid' => 1,
'AC_PROG_YACC' => 1,
'AC_CHECK_MEMBERS' => 1,
'AM_CONDITIONAL' => 1,
'AC_FUNC_REALLOC' => 1,
'AC_SUBST' => 1,
'AC_FUNC_STRCOLL' => 1,
'AM_PROG_CC_C_O' => 1,
'AC_PROG_LN_S' => 1,
'AC_CONFIG_LINKS' => 1,
'AC_HEADER_DIRENT' => 1,
'AC_CHECK_FUNCS' => 1
'm4_include' => 1,
'AC_CHECK_LIB' => 1,
'AC_CONFIG_AUX_DIR' => 1,
'AC_FUNC_FORK' => 1,
'AC_FUNC_LSTAT' => 1,
'AC_C_VOLATILE' => 1,
'AC_CHECK_FUNCS' => 1,
'AC_STRUCT_ST_BLOCKS' => 1,
'AC_FUNC_UTIME_NULL' => 1,
'AC_FUNC_GETPGRP' => 1,
'AC_DEFINE_TRACE_LITERAL' => 1
}
], 'Autom4te::Request' )
);
+6 -2
View File
@@ -6,12 +6,12 @@
.\" Case Western Reserve University
.\" chet@po.CWRU.Edu
.\"
.\" Last Change: Sat Apr 30 19:09:18 EDT 2005
.\" Last Change: Fri Jul 15 23:15:01 EDT 2005
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
.TH BASH 1 "2005 Apr 30" "GNU Bash-3.1-devel"
.TH BASH 1 "2005 Jul 15" "GNU Bash-3.1-devel"
.\"
.\" There's some problem with having a `@'
.\" in a tagged paragraph with the BSD man macros.
@@ -1986,6 +1986,10 @@ number of seconds to wait for input after issuing the primary prompt.
terminates after waiting for that number of seconds if input does
not arrive.
.TP
.B TMPDIR
If set, \fBBash\fP uses its value as the name of a directory in which
\fBBash\fP creates temporary files for the shell's use.
.TP
.B auto_resume
This variable controls how the shell interacts with the user and
job control. If this variable is set, single word simple
+3 -3
View File
@@ -6,12 +6,12 @@
.\" Case Western Reserve University
.\" chet@po.CWRU.Edu
.\"
.\" Last Change: Wed Mar 23 21:06:23 EST 2005
.\" Last Change: Sat Apr 30 19:09:18 EDT 2005
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
.TH BASH 1 "2005 Mar 23" "GNU Bash-3.1-devel"
.TH BASH 1 "2005 Apr 30" "GNU Bash-3.1-devel"
.\"
.\" There's some problem with having a `@'
.\" in a tagged paragraph with the BSD man macros.
@@ -7456,7 +7456,7 @@ input is not read within \fItimeout\fP seconds.
This option has no effect if \fBread\fP is not reading input from the
terminal or a pipe.
.TP
.B \-u \fIfd\FP
.B \-u \fIfd\fP
Read input from file descriptor \fIfd\fP.
.PD
.PP
+4
View File
@@ -4784,6 +4784,10 @@ prompt when the shell is interactive.
Bash terminates after that number of seconds if input does
not arrive.
@item TMPDIR
If set, Bash uses its value as the name of a directory in which
Bash creates temporary files for the shell's use.
@item UID
The numeric real user id of the current user. This variable is readonly.
+9 -38
View File
@@ -94,46 +94,28 @@ reference on shell behavior.
@menu
* Introduction:: An introduction to the shell.
* Definitions:: Some definitions used in the rest of this
manual.
* Basic Shell Features:: The shell "building blocks".
* Shell Builtin Commands:: Commands that are a part of the shell.
* Shell Variables:: Variables used or set by Bash.
* Bash Features:: Features found only in Bash.
* Job Control:: A chapter describing what job control is
and how Bash allows you to use it.
* Using History Interactively:: Chapter dealing with history expansion
rules.
* Job Control:: What job control is and how Bash allows you
to use it.
* Using History Interactively:: Command History Expansion
* Command Line Editing:: Chapter describing the command line
editing features.
* Installing Bash:: How to build and install Bash on your system.
* Reporting Bugs:: How to report bugs in Bash.
* Major Differences From The Bourne Shell:: A terse list of the differences
between Bash and historical
versions of /bin/sh.
* Copying This Manual:: Copying this manual.
* Builtin Index:: Index of Bash builtin commands.
* Reserved Word Index:: Index of Bash reserved words.
* Variable Index:: Quick reference helps you find the
variable you want.
* Function Index:: Index of bindable Readline functions.
* Concept Index:: General index for concepts described in
this manual.
@end menu
@@ -143,7 +125,6 @@ reference on shell behavior.
@chapter Introduction
@menu
* What is Bash?:: A short description of Bash.
* What is a shell?:: A brief introduction to shells.
@end menu
@@ -371,9 +352,7 @@ and to named files, and how the shell executes commands.
@section Shell Syntax
@menu
* Shell Operation:: The basic operation of the shell.
* Quoting:: How to remove the special meaning from characters.
* Comments:: How to specify comments.
@end menu
@@ -444,7 +423,6 @@ status (@pxref{Exit Status}).
* Double Quotes:: How to suppress most of the interpretation of a
sequence of characters.
* ANSI-C Quoting:: How to expand ANSI-C sequences in quoted strings.
* Locale Translation:: How to translate strings into different languages.
@end menu
@@ -2227,21 +2205,15 @@ is not specified. If the file does not exist, it is created.
@menu
* Simple Command Expansion:: How Bash expands simple commands before
executing them.
* Command Search and Execution:: How Bash finds commands and runs them.
* Command Execution Environment:: The environment in which Bash
executes commands that are not
shell builtins.
* Environment:: The environment given to a command.
* Exit Status:: The status returned by commands and how Bash
interprets it.
* Signals:: What happens when Bash or a command it runs
receives a signal.
@end menu
@node Simple Command Expansion
@@ -2642,6 +2614,8 @@ Many of the builtins have been extended by @sc{posix} or Bash.
Unless otherwise noted, each builtin command documented as accepting
options preceded by @samp{-} accepts @samp{--}
to signify the end of the options.
For example, the @code{:}, @code{true}, @code{false}, and @code{test}
builtins do not accept options.
@node Bourne Shell Builtins
@section Bourne Shell Builtins
@@ -2932,6 +2906,8 @@ Evaluate a conditional expression @var{expr}.
Each operator and operand must be a separate argument.
Expressions are composed of the primaries described below in
@ref{Bash Conditional Expressions}.
@code{test} does not accept any options, nor does it accept and ignore
an argument of @option{--} as signifying the end of options.
When the @code{[} form is used, the last argument to the command must
be a @code{]}.
@@ -3335,6 +3311,8 @@ even on systems where they are interpreted by default.
The @code{xpg_echo} shell option may be used to
dynamically determine whether or not @code{echo} expands these
escape characters by default.
@code{echo} does not interpret @option{--} to mean the end of options.
@code{echo} interprets the following escape sequences:
@table @code
@item \a
@@ -6408,23 +6386,16 @@ Other independent ports exist for
@menu
* Basic Installation:: Installation instructions.
* Compilers and Options:: How to set special options for various
systems.
* Compiling For Multiple Architectures:: How to compile Bash for more
than one kind of system from
the same source tree.
* Installation Names:: How to set the various paths used by the installation.
* Specifying the System Type:: How to configure Bash for a particular system.
* Sharing Defaults:: How to share default configuration values among GNU
programs.
* Operation Controls:: Options recognized by the configuration program.
* Optional Features:: How to enable and disable optional features when
building Bash.
@end menu
+3 -3
View File
@@ -2,9 +2,9 @@
Copyright (C) 1988-2005 Free Software Foundation, Inc.
@end ignore
@set LASTCHANGE Thu Jun 23 09:48:04 EDT 2005
@set LASTCHANGE Fri Jul 15 23:14:38 EDT 2005
@set EDITION 3.1-devel
@set VERSION 3.1-devel
@set UPDATED 30 April 2005
@set UPDATED-MONTH April 2005
@set UPDATED 15 July 2005
@set UPDATED-MONTH July 2005
+3 -4
View File
@@ -2,10 +2,9 @@
Copyright (C) 1988-2005 Free Software Foundation, Inc.
@end ignore
@set LASTCHANGE Wed Mar 23 20:57:44 EST 2005
@set LASTCHANGE Thu Jun 23 09:48:04 EDT 2005
@set EDITION 3.1-devel
@set VERSION 3.1-devel
@set UPDATED 23 March 2005
@set UPDATED-MONTH March 2005
@set UPDATED 30 April 2005
@set UPDATED-MONTH April 2005
+2 -1
View File
@@ -254,7 +254,8 @@ expand_prompt (pmt, lp, lip, niflp, vlp)
else if (ignoring && *p == RL_PROMPT_END_IGNORE)
{
ignoring = 0;
last = r - ret - 1;
if (p[-1] != RL_PROMPT_START_IGNORE)
last = r - ret - 1;
continue;
}
else
+1 -1
View File
@@ -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