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commit bash-20181221 snapshot

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This commit is contained in:
Chet Ramey
2018-12-26 10:22:23 -05:00
parent ab8ded9c30
commit 6870125961
105 changed files with 18318 additions and 14184 deletions
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CHANGES
+38
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@@ -1,3 +1,41 @@
This document details the changes between this version, bash-5.0-rc1, and
the previous version, bash-5.0-beta2.
1. Changes to Bash
a. Fix to initial word completion detection code.
b. Fixed a bug that caused issues with assignment statements containing ^A in
the value assigned when IFS contains ^A.
c. Added a fallback to fnmatch() when strcoll can't correctly deal with
bracket expression character equivalence classes.
d. Fixed a bug that caused $BASH_COMMAND to contain the trap handler command
when running a trap handler containing [[ or (( commands.
e. Fixed a bug that caused nameref assignments in the temporary environment
to potentially create variables with invalid names.
f. Fixed a bug that caused `local -' to turn off alias expansion in scripts.
g. Fixed a parser issue with a command string containing EOF after an invalid
command as an argument to a special builtin not causing a posix-mode shell
to exit.
h. Made a slight change to the FNV-1 string hash algorithm used for associative
arrays (corrected the initial seed).
2. Changes to Readline
3. New Features in Bash
a. The `select' command now supports command forms without a word list
following `in'.
4. New Features in Readline
------------------------------------------------------------------------------
This document details the changes between this version, bash-5.0-beta2, and
the previous version, bash-5.0-beta.
CHANGES-5.0
+38
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@@ -1,3 +1,41 @@
This document details the changes between this version, bash-5.0-rc1, and
the previous version, bash-5.0-beta2.
1. Changes to Bash
a. Fix to initial word completion detection code.
b. Fixed a bug that caused issues with assignment statements containing ^A in
the value assigned when IFS contains ^A.
c. Added a fallback to fnmatch() when strcoll can't correctly deal with
bracket expression character equivalence classes.
d. Fixed a bug that caused $BASH_COMMAND to contain the trap handler command
when running a trap handler containing [[ or (( commands.
e. Fixed a bug that caused nameref assignments in the temporary environment
to potentially create variables with invalid names.
f. Fixed a bug that caused `local -' to turn off alias expansion in scripts.
g. Fixed a parser issue with a command string containing EOF after an invalid
command as an argument to a special builtin not causing a posix-mode shell
to exit.
h. Made a slight change to the FNV-1 string hash algorithm used for associative
arrays (corrected the initial seed).
2. Changes to Readline
3. New Features in Bash
a. The `select' command now supports command forms without a word list
following `in'.
4. New Features in Readline
------------------------------------------------------------------------------
This document details the changes between this version, bash-5.0-beta2, and
the previous version, bash-5.0-beta.
CWRU/CWRU.chlog
+34 -1
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@@ -4794,7 +4794,7 @@ execute_cmd.c
- execute_in_subshell: if we are running a trap (running_trap > 0),
turn off the SIG_INPROGRESS and SIG_CHANGED flags for that signal
by calling run_trap_cleanup and reset running_trap to 0 (watch the
second part!)
second part!). Tagged for bash-5.1.
11/30
-----
@@ -4892,3 +4892,36 @@ expr.c
lib/sh/smatch.c
- fnmatch: add extern declaration if FNMATCH_EQUIV_FALLBACK is being
used
hashlib.c
- hash_string: add FNV offset as initial value for hash instead of
starting at 0, changes hash for associative arrays and requires a
bunch of changes to the "right" test suite files
variables.c
- rseed: make it explicitly 32 bits; that's all we're interested in
anyway
12/18
-----
variables.c
- brand: add some comments, make the constants explicitly 32 bits;
use signed 32-bit values for the intermediate calculations. The
algorithm is still minstd
[bash-5.0-rc1 frozen]
12/21
-----
doc/bash.1
- }1: remove macro definition; it's outlived its bugfix purpose.
Report from Derek Schrock <dereks@lifeofadishwasher.com>
12/22
-----
subst.c
- expand_arith_string: set W_NOTILDE in the flags so we don't perform
tilde expansion at all, even for the previously-special-case array
subscript expansion. Report from Bize Ma <binaryzebra@gmail.com>
- expand_word_internal: take out Q_ARRAYSUB check for tilde expansion
configure
Vendored
+5 -5
View File
@@ -1,5 +1,5 @@
#! /bin/sh
# From configure.ac for Bash 5.0, version 5.004.
# From configure.ac for Bash 5.0, version 5.005.
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for bash 5.0-rc1.
#
@@ -16360,10 +16360,10 @@ esac
if test "$GCC" = yes # && test -n "$DEBUG"
then
CFLAGS="$CFLAGS -Wno-parentheses -Wno-format-security"
if test -n "$DEBUG"
then
CFLAGS="$CFLAGS -Werror"
fi
# if test -n "$DEBUG"
# then
# CFLAGS="$CFLAGS -Werror"
# fi
fi
#
configure.ac
+5 -5
View File
@@ -21,7 +21,7 @@ dnl Process this file with autoconf to produce a configure script.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
AC_REVISION([for Bash 5.0, version 5.004])dnl
AC_REVISION([for Bash 5.0, version 5.005])dnl
define(bashvers, 5.0)
define(relstatus, rc1)
@@ -1157,10 +1157,10 @@ esac
if test "$GCC" = yes # && test -n "$DEBUG"
then
CFLAGS="$CFLAGS -Wno-parentheses -Wno-format-security"
if test -n "$DEBUG"
then
CFLAGS="$CFLAGS -Werror"
fi
# if test -n "$DEBUG"
# then
# CFLAGS="$CFLAGS -Werror"
# fi
fi
#
doc/bash.0
+2699 -2698
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File diff suppressed because it is too large Load Diff
doc/bash.1
+13 -13
View File
@@ -23,19 +23,19 @@
.\" and `complete-hostname' down in READLINE,
.\" then uncomment this redefinition.
.\"
.de }1
.ds ]X \&\\*(]B\\
.nr )E 0
.if !"\\$1"" .nr )I \\$1n
.}f
.ll \\n(LLu
.in \\n()Ru+\\n(INu+\\n()Iu
.ti \\n(INu
.ie !\\n()Iu+\\n()Ru-\w\\*(]Xu-3p \{\\*(]X
.br\}
.el \\*(]X\h|\\n()Iu+\\n()Ru\c
.}f
..
.\" .de }1
.\" .ds ]X \&\\*(]B\\
.\" .nr )E 0
.\" .if !"\\$1"" .nr )I \\$1n
.\" .}f
.\" .ll \\n(LLu
.\" .in \\n()Ru+\\n(INu+\\n()Iu
.\" .ti \\n(INu
.\" .ie !\\n()Iu+\\n()Ru-\w\\*(]Xu-3p \{\\*(]X
.\" .br\}
.\" .el \\*(]X\h|\\n()Iu+\\n()Ru\c
.\" .}f
.\" ..
.\"
.\" File Name macro. This used to be `.PN', for Path Name,
.\" but Sun doesn't seem to like that very much.
doc/bash.html
+22 -7
View File
@@ -3,7 +3,7 @@
</HEAD>
<BODY><TABLE WIDTH=100%>
<TR>
<TH ALIGN=LEFT width=33%>BASH(1)<TH ALIGN=CENTER width=33%>2018 October 22<TH ALIGN=RIGHT width=33%>BASH(1)
<TH ALIGN=LEFT width=33%>BASH(1)<TH ALIGN=CENTER width=33%>2018 December 7<TH ALIGN=RIGHT width=33%>BASH(1)
</TR>
</TABLE>
<BR><A HREF="#index">Index</A>
@@ -18,6 +18,18 @@
@@ -836,8 +848,11 @@ If a command is terminated by the control operator
<B>&amp;</B>,
the shell executes the command in the <I>background</I>
in a subshell. The shell does not wait for the command to
finish, and the return status is 0. Commands separated by a
in a subshell.
The shell does not wait for the command to
finish, and the return status is 0.
These are referred to as <I>asynchronous</I> commands.
Commands separated by a
<B>;</B>
are executed sequentially; the shell waits for each
@@ -10208,8 +10223,8 @@ Mark <I>name</I>s for export to subsequent commands via the environment.
Using `+' instead of `-'
turns off the attribute instead,
with the exceptions that <B>+a</B>
may not be used to destroy an array variable and <B>+r</B> will not
with the exceptions that <B>+a</B> and <B>+A</B>
may not be used to destroy array variables and <B>+r</B> will not
remove the readonly attribute.
When used in a function,
<B>declare</B>
@@ -13916,7 +13931,7 @@ There may be only one active coprocess at a time.
<HR>
<TABLE WIDTH=100%>
<TR>
<TH ALIGN=LEFT width=33%>GNU Bash 5.0<TH ALIGN=CENTER width=33%>2018 October 22<TH ALIGN=RIGHT width=33%>BASH(1)
<TH ALIGN=LEFT width=33%>GNU Bash 5.0<TH ALIGN=CENTER width=33%>2018 December 7<TH ALIGN=RIGHT width=33%>BASH(1)
</TR>
</TABLE>
<HR>
@@ -14022,6 +14037,6 @@ There may be only one active coprocess at a time.
</DL>
<HR>
This document was created by man2html from bash.1.<BR>
Time: 19 November 2018 15:21:08 EST
Time: 21 December 2018 09:58:51 EST
</BODY>
</HTML>
doc/bash.info
+141 -139
View File
@@ -2,9 +2,9 @@ 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 5.0, 9 November 2018).
Bash shell (version 5.0, 7 December 2018).
This is Edition 5.0, last updated 9 November 2018, of 'The GNU Bash
This is Edition 5.0, last updated 7 December 2018, of 'The GNU Bash
Reference Manual', for 'Bash', Version 5.0.
Copyright (C) 1988-2018 Free Software Foundation, Inc.
@@ -27,10 +27,10 @@ Bash Features
*************
This text is a brief description of the features that are present in the
Bash shell (version 5.0, 9 November 2018). The Bash home page is
Bash shell (version 5.0, 7 December 2018). The Bash home page is
<http://www.gnu.org/software/bash/>.
This is Edition 5.0, last updated 9 November 2018, of 'The GNU Bash
This is Edition 5.0, last updated 7 December 2018, of 'The GNU Bash
Reference Manual', for 'Bash', Version 5.0.
Bash contains features that appear in other popular shells, and some
@@ -619,11 +619,12 @@ commands, equivalent to a semicolon.
If a command is terminated by the control operator '&', the shell
executes the command asynchronously in a subshell. This is known as
executing the command in the BACKGROUND. The shell does not wait for
the command to finish, and the return status is 0 (true). When job
control is not active (*note Job Control::), the standard input for
asynchronous commands, in the absence of any explicit redirections, is
redirected from '/dev/null'.
executing the command in the BACKGROUND, and these are referred to as
ASYNCHRONOUS commands. The shell does not wait for the command to
finish, and the return status is 0 (true). When job control is not
active (*note Job Control::), the standard input for asynchronous
commands, in the absence of any explicit redirections, is redirected
from '/dev/null'.
Commands separated by a ';' are executed sequentially; the shell
waits for each command to terminate in turn. The return status is the
@@ -3543,11 +3544,12 @@ standard.
environment.
Using '+' instead of '-' turns off the attribute instead, with the
exceptions that '+a' may not be used to destroy an array variable
and '+r' will not remove the readonly attribute. When used in a
function, 'declare' makes each NAME local, as with the 'local'
command, unless the '-g' option is used. If a variable name is
followed by =VALUE, the value of the variable is set to VALUE.
exceptions that '+a' and '+A' may not be used to destroy array
variables and '+r' will not remove the readonly attribute. When
used in a function, 'declare' makes each NAME local, as with the
'local' command, unless the '-g' option is used. If a variable
name is followed by =VALUE, the value of the variable is set to
VALUE.
When using '-a' or '-A' and the compound assignment syntax to
create array variables, additional attributes do not take effect
@@ -10984,8 +10986,8 @@ D.1 Index of Shell Builtin Commands
(line 7)
* disown: Job Control Builtins.
(line 92)
* echo: Bash Builtins. (line 245)
* enable: Bash Builtins. (line 294)
* echo: Bash Builtins. (line 246)
* enable: Bash Builtins. (line 295)
* eval: Bourne Shell Builtins.
(line 94)
* exec: Bourne Shell Builtins.
@@ -11002,26 +11004,26 @@ D.1 Index of Shell Builtin Commands
(line 143)
* hash: Bourne Shell Builtins.
(line 186)
* help: Bash Builtins. (line 323)
* help: Bash Builtins. (line 324)
* history: Bash History Builtins.
(line 40)
* jobs: Job Control Builtins.
(line 27)
* kill: Job Control Builtins.
(line 58)
* let: Bash Builtins. (line 342)
* local: Bash Builtins. (line 350)
* logout: Bash Builtins. (line 364)
* mapfile: Bash Builtins. (line 369)
* let: Bash Builtins. (line 343)
* local: Bash Builtins. (line 351)
* logout: Bash Builtins. (line 365)
* mapfile: Bash Builtins. (line 370)
* popd: Directory Stack Builtins.
(line 35)
* printf: Bash Builtins. (line 415)
* printf: Bash Builtins. (line 416)
* pushd: Directory Stack Builtins.
(line 53)
* pwd: Bourne Shell Builtins.
(line 206)
* read: Bash Builtins. (line 459)
* readarray: Bash Builtins. (line 553)
* read: Bash Builtins. (line 460)
* readarray: Bash Builtins. (line 554)
* readonly: Bourne Shell Builtins.
(line 216)
* return: Bourne Shell Builtins.
@@ -11030,7 +11032,7 @@ D.1 Index of Shell Builtin Commands
* shift: Bourne Shell Builtins.
(line 256)
* shopt: The Shopt Builtin. (line 9)
* source: Bash Builtins. (line 562)
* source: Bash Builtins. (line 563)
* suspend: Job Control Builtins.
(line 104)
* test: Bourne Shell Builtins.
@@ -11039,12 +11041,12 @@ D.1 Index of Shell Builtin Commands
(line 348)
* trap: Bourne Shell Builtins.
(line 354)
* type: Bash Builtins. (line 567)
* typeset: Bash Builtins. (line 599)
* ulimit: Bash Builtins. (line 605)
* type: Bash Builtins. (line 568)
* typeset: Bash Builtins. (line 600)
* ulimit: Bash Builtins. (line 606)
* umask: Bourne Shell Builtins.
(line 403)
* unalias: Bash Builtins. (line 704)
* unalias: Bash Builtins. (line 705)
* unset: Bourne Shell Builtins.
(line 421)
* wait: Job Control Builtins.
@@ -11699,115 +11701,115 @@ Node: Shell Commands19354
Node: Simple Commands20226
Node: Pipelines20857
Node: Lists23789
Node: Compound Commands25528
Node: Looping Constructs26540
Node: Conditional Constructs29035
Node: Command Grouping40118
Node: Coprocesses41597
Node: GNU Parallel43500
Node: Shell Functions47558
Node: Shell Parameters54641
Node: Positional Parameters59054
Node: Special Parameters59954
Node: Shell Expansions63708
Node: Brace Expansion65831
Node: Tilde Expansion68555
Node: Shell Parameter Expansion71172
Node: Command Substitution85628
Node: Arithmetic Expansion86983
Node: Process Substitution87915
Node: Word Splitting89035
Node: Filename Expansion90979
Node: Pattern Matching93509
Node: Quote Removal97495
Node: Redirections97790
Node: Executing Commands107348
Node: Simple Command Expansion108018
Node: Command Search and Execution109948
Node: Command Execution Environment112324
Node: Environment115308
Node: Exit Status116967
Node: Signals118637
Node: Shell Scripts120604
Node: Shell Builtin Commands123119
Node: Bourne Shell Builtins125157
Node: Bash Builtins145907
Node: Modifying Shell Behavior174820
Node: The Set Builtin175165
Node: The Shopt Builtin185578
Node: Special Builtins203150
Node: Shell Variables204129
Node: Bourne Shell Variables204566
Node: Bash Variables206670
Node: Bash Features237130
Node: Invoking Bash238029
Node: Bash Startup Files244042
Node: Interactive Shells249145
Node: What is an Interactive Shell?249555
Node: Is this Shell Interactive?250204
Node: Interactive Shell Behavior251019
Node: Bash Conditional Expressions254506
Node: Shell Arithmetic259083
Node: Aliases261900
Node: Arrays264520
Node: The Directory Stack269886
Node: Directory Stack Builtins270670
Node: Controlling the Prompt273638
Node: The Restricted Shell276404
Node: Bash POSIX Mode278229
Node: Job Control289162
Node: Job Control Basics289622
Node: Job Control Builtins294590
Node: Job Control Variables299317
Node: Command Line Editing300473
Node: Introduction and Notation302144
Node: Readline Interaction303767
Node: Readline Bare Essentials304958
Node: Readline Movement Commands306741
Node: Readline Killing Commands307701
Node: Readline Arguments309619
Node: Searching310663
Node: Readline Init File312849
Node: Readline Init File Syntax313996
Node: Conditional Init Constructs334435
Node: Sample Init File338631
Node: Bindable Readline Commands341748
Node: Commands For Moving342952
Node: Commands For History344801
Node: Commands For Text349096
Node: Commands For Killing352484
Node: Numeric Arguments354965
Node: Commands For Completion356104
Node: Keyboard Macros360295
Node: Miscellaneous Commands360982
Node: Readline vi Mode366935
Node: Programmable Completion367842
Node: Programmable Completion Builtins375622
Node: A Programmable Completion Example386315
Node: Using History Interactively391555
Node: Bash History Facilities392239
Node: Bash History Builtins395244
Node: History Interaction399775
Node: Event Designators403395
Node: Word Designators404614
Node: Modifiers406251
Node: Installing Bash407653
Node: Basic Installation408790
Node: Compilers and Options412048
Node: Compiling For Multiple Architectures412789
Node: Installation Names414482
Node: Specifying the System Type415300
Node: Sharing Defaults416016
Node: Operation Controls416689
Node: Optional Features417647
Node: Reporting Bugs428165
Node: Major Differences From The Bourne Shell429359
Node: GNU Free Documentation License446211
Node: Indexes471388
Node: Builtin Index471842
Node: Reserved Word Index478669
Node: Variable Index481117
Node: Function Index496868
Node: Concept Index510171
Node: Compound Commands25580
Node: Looping Constructs26592
Node: Conditional Constructs29087
Node: Command Grouping40170
Node: Coprocesses41649
Node: GNU Parallel43552
Node: Shell Functions47610
Node: Shell Parameters54693
Node: Positional Parameters59106
Node: Special Parameters60006
Node: Shell Expansions63760
Node: Brace Expansion65883
Node: Tilde Expansion68607
Node: Shell Parameter Expansion71224
Node: Command Substitution85680
Node: Arithmetic Expansion87035
Node: Process Substitution87967
Node: Word Splitting89087
Node: Filename Expansion91031
Node: Pattern Matching93561
Node: Quote Removal97547
Node: Redirections97842
Node: Executing Commands107400
Node: Simple Command Expansion108070
Node: Command Search and Execution110000
Node: Command Execution Environment112376
Node: Environment115360
Node: Exit Status117019
Node: Signals118689
Node: Shell Scripts120656
Node: Shell Builtin Commands123171
Node: Bourne Shell Builtins125209
Node: Bash Builtins145959
Node: Modifying Shell Behavior174884
Node: The Set Builtin175229
Node: The Shopt Builtin185642
Node: Special Builtins203214
Node: Shell Variables204193
Node: Bourne Shell Variables204630
Node: Bash Variables206734
Node: Bash Features237194
Node: Invoking Bash238093
Node: Bash Startup Files244106
Node: Interactive Shells249209
Node: What is an Interactive Shell?249619
Node: Is this Shell Interactive?250268
Node: Interactive Shell Behavior251083
Node: Bash Conditional Expressions254570
Node: Shell Arithmetic259147
Node: Aliases261964
Node: Arrays264584
Node: The Directory Stack269950
Node: Directory Stack Builtins270734
Node: Controlling the Prompt273702
Node: The Restricted Shell276468
Node: Bash POSIX Mode278293
Node: Job Control289226
Node: Job Control Basics289686
Node: Job Control Builtins294654
Node: Job Control Variables299381
Node: Command Line Editing300537
Node: Introduction and Notation302208
Node: Readline Interaction303831
Node: Readline Bare Essentials305022
Node: Readline Movement Commands306805
Node: Readline Killing Commands307765
Node: Readline Arguments309683
Node: Searching310727
Node: Readline Init File312913
Node: Readline Init File Syntax314060
Node: Conditional Init Constructs334499
Node: Sample Init File338695
Node: Bindable Readline Commands341812
Node: Commands For Moving343016
Node: Commands For History344865
Node: Commands For Text349160
Node: Commands For Killing352548
Node: Numeric Arguments355029
Node: Commands For Completion356168
Node: Keyboard Macros360359
Node: Miscellaneous Commands361046
Node: Readline vi Mode366999
Node: Programmable Completion367906
Node: Programmable Completion Builtins375686
Node: A Programmable Completion Example386379
Node: Using History Interactively391619
Node: Bash History Facilities392303
Node: Bash History Builtins395308
Node: History Interaction399839
Node: Event Designators403459
Node: Word Designators404678
Node: Modifiers406315
Node: Installing Bash407717
Node: Basic Installation408854
Node: Compilers and Options412112
Node: Compiling For Multiple Architectures412853
Node: Installation Names414546
Node: Specifying the System Type415364
Node: Sharing Defaults416080
Node: Operation Controls416753
Node: Optional Features417711
Node: Reporting Bugs428229
Node: Major Differences From The Bourne Shell429423
Node: GNU Free Documentation License446275
Node: Indexes471452
Node: Builtin Index471906
Node: Reserved Word Index478733
Node: Variable Index481181
Node: Function Index496932
Node: Concept Index510235

End Tag Table
doc/bash.pdf
BIN
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doc/bash.ps
+154 -153
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@@ -1,6 +1,6 @@
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%%CreationDate: Mon Nov 19 15:20:58 2018
%%CreationDate: Fri Dec 21 09:58:50 2018
%%DocumentNeededResources: font Times-Roman
%%+ font Times-Bold
%%+ font Times-Italic
@@ -340,7 +340,7 @@ F .475(xtended deb)-.15 F(ug-)-.2 E
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144 710.4 Q .3 -.15(ve \()-.25 H(see).15 E F4(INV)2.5 E(OCA)-.405 E
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@@ -462,8 +462,8 @@ F2(~/.bashr)108 691.2 Q(c)-.37 E F0 2.535(,i)C 2.535(ft)-2.535 G .035
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%%Page: 3 3
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@@ -598,7 +598,7 @@ F .389(wed by)-.25 F F2(blank)2.889 E F0 .389(-separated w)B .389
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(guments to the in)-.18 E -.2(vo)-.4 G -.1(ke).2 G 2.5(dc).1 G(ommand.)
-2.5 E(GNU Bash 5.0)72 768 Q(2018 October 22)141.235 E(3)195.395 E 0 Cg
-2.5 E(GNU Bash 5.0)72 768 Q(2018 December 7)139.295 E(3)193.455 E 0 Cg
EP
%%Page: 4 4
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@@ -693,18 +693,20 @@ F .961(wed by)-.25 F F2(;)3.461 E F0(and)3.461 E F2(&)3.461 E F0 3.461
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2.529 E F0 2.529(,t)C .029(he shell e)-2.529 F -.15(xe)-.15 G .029
(cutes the command in the).15 F F1(bac)2.528 E(kgr)-.2 E(ound)-.45 E F0
(in)2.528 E 2.875(as)108 556.8 S 2.875(ubshell. The)-2.875 F .375
(shell does not w)2.875 F .375
(ait for the command to \214nish, and the return status is 0.)-.1 F .376
(Commands sepa-)5.376 F .849(rated by a)108 568.8 R F2(;)3.349 E F0 .849
(are e)3.349 F -.15(xe)-.15 G .848(cuted sequentially; the shell w).15 F
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5.848 F(status is the e)108 580.8 Q(xit status of the last command e)
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E -.15(xe)-.15 G(cuted with left associati).15 E(vity)-.25 E 5(.A)-.65 G
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2.5(nA)-5 G(ND list has the form)-2.5 E F1(command1)144 626.4 Q F2(&&)
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@@ -1385,7 +1387,7 @@ F0 5.144(.I)C 2.644(ft)-5.144 G .144(he control v)-2.644 F .144
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(set)3.333 E F0 -.2(bu)3.333 G .833(iltin command.).2 F .834(Positional\
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F0(is unset, it loses its special properties, e)2.5 E -.15(ve)-.25 G 2.5
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E F0(and)3.423 E F1(\\W)3.423 E F0 .923(prompt string escapes \(see)
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@@ -2866,7 +2868,7 @@ Q 1.189
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@@ -2999,7 +3001,7 @@ E F0 .459(positional parameters be)2.959 F .458(ginning at)-.15 F F1(of)
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710.4 Q(xpansion applied to an associati)-.15 E .3 -.15(ve a)-.25 H
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@@ -3256,7 +3258,7 @@ sub-)-5.315 F 3.886(stitution. When)108 717.6 R 1.386(using the $\()
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@@ -3390,8 +3392,8 @@ F3 -.09(Pa)3.062 G(tter).09 E 2.812(nM)-.135 G(atching)-2.812 E F0(belo)
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@@ -3529,7 +3531,7 @@ E F4(symbol)A F1(.])A F0(matches the collating symbol)2.5 E F4(symbol)
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E F2(fd)A F0(If)180 698.4 Q F2(fd)2.5 E F0(is a v)2.5 E(alid inte)-.25 E
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@@ -4174,7 +4176,7 @@ F1(\214le)3.653 E F0(ar)108 672 Q .426
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%%Page: 72 72
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EP
%%Page: 73 73
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Cg EP
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699.6 Q F1<ad78>144 711.6 Q F0(The maximum number of \214le locks)180
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end
%%EOF
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+8 -7
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@@ -1,9 +1,9 @@
<!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 5.0, 9 November 2018).
the Bash shell (version 5.0, 7 December 2018).
This is Edition 5.0, last updated 9 November 2018,
This is Edition 5.0, last updated 7 December 2018,
of The GNU Bash Reference Manual,
for Bash, Version 5.0.
@@ -284,10 +284,10 @@ 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 5.0, 9 November 2018).
the Bash shell (version 5.0, 7 December 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 5.0, last updated 9 November 2018,
<p>This is Edition 5.0, last updated 7 December 2018,
of <cite>The GNU Bash Reference Manual</cite>,
for <code>Bash</code>, Version 5.0.
</p>
@@ -1094,7 +1094,8 @@ to delimit commands, equivalent to a semicolon.
</p>
<p>If a command is terminated by the control operator &lsquo;<samp>&amp;</samp>&rsquo;,
the shell executes the command asynchronously in a subshell.
This is known as executing the command in the <var>background</var>.
This is known as executing the command in the <var>background</var>,
and these are referred to as <var>asynchronous</var> commands.
The shell does not wait for the command to finish, and the return
status is 0 (true).
When job control is not active (see <a href="#Job-Control">Job Control</a>),
@@ -4904,8 +4905,8 @@ the environment.
</dl>
<p>Using &lsquo;<samp>+</samp>&rsquo; instead of &lsquo;<samp>-</samp>&rsquo; turns off the attribute instead,
with the exceptions that &lsquo;<samp>+a</samp>&rsquo;
may not be used to destroy an array variable and &lsquo;<samp>+r</samp>&rsquo; will not
with the exceptions that &lsquo;<samp>+a</samp>&rsquo; and &lsquo;<samp>+A</samp>&rsquo;
may not be used to destroy array variables and &lsquo;<samp>+r</samp>&rsquo; will not
remove the readonly attribute.
When used in a function, <code>declare</code> makes each <var>name</var> local,
as with the <code>local</code> command, unless the <samp>-g</samp> option is used.
doc/bashref.info
+141 -139
View File
@@ -2,9 +2,9 @@ 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 5.0, 9 November 2018).
Bash shell (version 5.0, 7 December 2018).
This is Edition 5.0, last updated 9 November 2018, of 'The GNU Bash
This is Edition 5.0, last updated 7 December 2018, of 'The GNU Bash
Reference Manual', for 'Bash', Version 5.0.
Copyright (C) 1988-2018 Free Software Foundation, Inc.
@@ -27,10 +27,10 @@ Bash Features
*************
This text is a brief description of the features that are present in the
Bash shell (version 5.0, 9 November 2018). The Bash home page is
Bash shell (version 5.0, 7 December 2018). The Bash home page is
<http://www.gnu.org/software/bash/>.
This is Edition 5.0, last updated 9 November 2018, of 'The GNU Bash
This is Edition 5.0, last updated 7 December 2018, of 'The GNU Bash
Reference Manual', for 'Bash', Version 5.0.
Bash contains features that appear in other popular shells, and some
@@ -619,11 +619,12 @@ commands, equivalent to a semicolon.
If a command is terminated by the control operator '&', the shell
executes the command asynchronously in a subshell. This is known as
executing the command in the BACKGROUND. The shell does not wait for
the command to finish, and the return status is 0 (true). When job
control is not active (*note Job Control::), the standard input for
asynchronous commands, in the absence of any explicit redirections, is
redirected from '/dev/null'.
executing the command in the BACKGROUND, and these are referred to as
ASYNCHRONOUS commands. The shell does not wait for the command to
finish, and the return status is 0 (true). When job control is not
active (*note Job Control::), the standard input for asynchronous
commands, in the absence of any explicit redirections, is redirected
from '/dev/null'.
Commands separated by a ';' are executed sequentially; the shell
waits for each command to terminate in turn. The return status is the
@@ -3543,11 +3544,12 @@ standard.
environment.
Using '+' instead of '-' turns off the attribute instead, with the
exceptions that '+a' may not be used to destroy an array variable
and '+r' will not remove the readonly attribute. When used in a
function, 'declare' makes each NAME local, as with the 'local'
command, unless the '-g' option is used. If a variable name is
followed by =VALUE, the value of the variable is set to VALUE.
exceptions that '+a' and '+A' may not be used to destroy array
variables and '+r' will not remove the readonly attribute. When
used in a function, 'declare' makes each NAME local, as with the
'local' command, unless the '-g' option is used. If a variable
name is followed by =VALUE, the value of the variable is set to
VALUE.
When using '-a' or '-A' and the compound assignment syntax to
create array variables, additional attributes do not take effect
@@ -10984,8 +10986,8 @@ D.1 Index of Shell Builtin Commands
(line 7)
* disown: Job Control Builtins.
(line 92)
* echo: Bash Builtins. (line 245)
* enable: Bash Builtins. (line 294)
* echo: Bash Builtins. (line 246)
* enable: Bash Builtins. (line 295)
* eval: Bourne Shell Builtins.
(line 94)
* exec: Bourne Shell Builtins.
@@ -11002,26 +11004,26 @@ D.1 Index of Shell Builtin Commands
(line 143)
* hash: Bourne Shell Builtins.
(line 186)
* help: Bash Builtins. (line 323)
* help: Bash Builtins. (line 324)
* history: Bash History Builtins.
(line 40)
* jobs: Job Control Builtins.
(line 27)
* kill: Job Control Builtins.
(line 58)
* let: Bash Builtins. (line 342)
* local: Bash Builtins. (line 350)
* logout: Bash Builtins. (line 364)
* mapfile: Bash Builtins. (line 369)
* let: Bash Builtins. (line 343)
* local: Bash Builtins. (line 351)
* logout: Bash Builtins. (line 365)
* mapfile: Bash Builtins. (line 370)
* popd: Directory Stack Builtins.
(line 35)
* printf: Bash Builtins. (line 415)
* printf: Bash Builtins. (line 416)
* pushd: Directory Stack Builtins.
(line 53)
* pwd: Bourne Shell Builtins.
(line 206)
* read: Bash Builtins. (line 459)
* readarray: Bash Builtins. (line 553)
* read: Bash Builtins. (line 460)
* readarray: Bash Builtins. (line 554)
* readonly: Bourne Shell Builtins.
(line 216)
* return: Bourne Shell Builtins.
@@ -11030,7 +11032,7 @@ D.1 Index of Shell Builtin Commands
* shift: Bourne Shell Builtins.
(line 256)
* shopt: The Shopt Builtin. (line 9)
* source: Bash Builtins. (line 562)
* source: Bash Builtins. (line 563)
* suspend: Job Control Builtins.
(line 104)
* test: Bourne Shell Builtins.
@@ -11039,12 +11041,12 @@ D.1 Index of Shell Builtin Commands
(line 348)
* trap: Bourne Shell Builtins.
(line 354)
* type: Bash Builtins. (line 567)
* typeset: Bash Builtins. (line 599)
* ulimit: Bash Builtins. (line 605)
* type: Bash Builtins. (line 568)
* typeset: Bash Builtins. (line 600)
* ulimit: Bash Builtins. (line 606)
* umask: Bourne Shell Builtins.
(line 403)
* unalias: Bash Builtins. (line 704)
* unalias: Bash Builtins. (line 705)
* unset: Bourne Shell Builtins.
(line 421)
* wait: Job Control Builtins.
@@ -11699,115 +11701,115 @@ Node: Shell Commands19354
Node: Simple Commands20226
Node: Pipelines20857
Node: Lists23789
Node: Compound Commands25528
Node: Looping Constructs26540
Node: Conditional Constructs29035
Node: Command Grouping40118
Node: Coprocesses41597
Node: GNU Parallel43500
Node: Shell Functions47558
Node: Shell Parameters54641
Node: Positional Parameters59054
Node: Special Parameters59954
Node: Shell Expansions63708
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Node: Tilde Expansion68555
Node: Shell Parameter Expansion71172
Node: Command Substitution85628
Node: Arithmetic Expansion86983
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Node: Word Splitting89035
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Node: Bourne Shell Variables204566
Node: Bash Variables206670
Node: Bash Features237130
Node: Invoking Bash238029
Node: Bash Startup Files244042
Node: Interactive Shells249145
Node: What is an Interactive Shell?249555
Node: Is this Shell Interactive?250204
Node: Interactive Shell Behavior251019
Node: Bash Conditional Expressions254506
Node: Shell Arithmetic259083
Node: Aliases261900
Node: Arrays264520
Node: The Directory Stack269886
Node: Directory Stack Builtins270670
Node: Controlling the Prompt273638
Node: The Restricted Shell276404
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Node: Job Control Basics289622
Node: Job Control Builtins294590
Node: Job Control Variables299317
Node: Command Line Editing300473
Node: Introduction and Notation302144
Node: Readline Interaction303767
Node: Readline Bare Essentials304958
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Node: Readline Killing Commands307701
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Node: Commands For Moving342952
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Node: Bash History Facilities392239
Node: Bash History Builtins395244
Node: History Interaction399775
Node: Event Designators403395
Node: Word Designators404614
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Node: Basic Installation408790
Node: Compilers and Options412048
Node: Compiling For Multiple Architectures412789
Node: Installation Names414482
Node: Specifying the System Type415300
Node: Sharing Defaults416016
Node: Operation Controls416689
Node: Optional Features417647
Node: Reporting Bugs428165
Node: Major Differences From The Bourne Shell429359
Node: GNU Free Documentation License446211
Node: Indexes471388
Node: Builtin Index471842
Node: Reserved Word Index478669
Node: Variable Index481117
Node: Function Index496868
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Node: Bash Builtins145959
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Node: The Shopt Builtin185642
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Node: Bourne Shell Variables204630
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Node: Invoking Bash238093
Node: Bash Startup Files244106
Node: Interactive Shells249209
Node: What is an Interactive Shell?249619
Node: Is this Shell Interactive?250268
Node: Interactive Shell Behavior251083
Node: Bash Conditional Expressions254570
Node: Shell Arithmetic259147
Node: Aliases261964
Node: Arrays264584
Node: The Directory Stack269950
Node: Directory Stack Builtins270734
Node: Controlling the Prompt273702
Node: The Restricted Shell276468
Node: Bash POSIX Mode278293
Node: Job Control289226
Node: Job Control Basics289686
Node: Job Control Builtins294654
Node: Job Control Variables299381
Node: Command Line Editing300537
Node: Introduction and Notation302208
Node: Readline Interaction303831
Node: Readline Bare Essentials305022
Node: Readline Movement Commands306805
Node: Readline Killing Commands307765
Node: Readline Arguments309683
Node: Searching310727
Node: Readline Init File312913
Node: Readline Init File Syntax314060
Node: Conditional Init Constructs334499
Node: Sample Init File338695
Node: Bindable Readline Commands341812
Node: Commands For Moving343016
Node: Commands For History344865
Node: Commands For Text349160
Node: Commands For Killing352548
Node: Numeric Arguments355029
Node: Commands For Completion356168
Node: Keyboard Macros360359
Node: Miscellaneous Commands361046
Node: Readline vi Mode366999
Node: Programmable Completion367906
Node: Programmable Completion Builtins375686
Node: A Programmable Completion Example386379
Node: Using History Interactively391619
Node: Bash History Facilities392303
Node: Bash History Builtins395308
Node: History Interaction399839
Node: Event Designators403459
Node: Word Designators404678
Node: Modifiers406315
Node: Installing Bash407717
Node: Basic Installation408854
Node: Compilers and Options412112
Node: Compiling For Multiple Architectures412853
Node: Installation Names414546
Node: Specifying the System Type415364
Node: Sharing Defaults416080
Node: Operation Controls416753
Node: Optional Features417711
Node: Reporting Bugs428229
Node: Major Differences From The Bourne Shell429423
Node: GNU Free Documentation License446275
Node: Indexes471452
Node: Builtin Index471906
Node: Reserved Word Index478733
Node: Variable Index481181
Node: Function Index496932
Node: Concept Index510235

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doc/builtins.0
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@@ -441,16 +441,16 @@ BBAASSHH BBUUIILLTTIINN CCOOMMMMAANNDDSS
environment.
Using `+' instead of `-' turns off the attribute instead, with
the exceptions that ++aa may not be used to destroy an array vari-
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syntax to create array variables, additional attributes do not
take effect until subsequent assignments. The return value is 0
unless an invalid option is encountered, an attempt is made to
define a function using ``-f foo=bar'', an attempt is made to
the exceptions that ++aa and ++AA may not be used to destroy array
variables and ++rr will not remove the readonly attribute. When
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assign a value to a readonly variable, an attempt is made to
assign a value to an array variable without using the compound
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doc/builtins.ps
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hashlib.c
+16 -7
View File
@@ -125,6 +125,20 @@ hash_copy (table, cpdata)
return new_table;
}
/* This is the best 32-bit string hash function I found. It's one of the
Fowler-Noll-Vo family (FNV-1).
The magic is in the interesting relationship between the special prime
16777619 (2^24 + 403) and 2^32 and 2^8. */
#define FNV_OFFSET 2166136261
#define FNV_PRIME 16777619
/* If you want to use 64 bits, use
FNV_OFFSET 14695981039346656037
FNV_PRIMT 1099511628211
*/
/* The `khash' check below requires that strings that compare equally with
strcmp hash to the same value. */
unsigned int
@@ -133,14 +147,9 @@ hash_string (s)
{
register unsigned int i;
/* This is the best string hash function I found.
The magic is in the interesting relationship between the special prime
16777619 (2^24 + 403) and 2^32 and 2^8. */
for (i = 0; *s; s++)
for (i = FNV_OFFSET; *s; s++)
{
i *= 16777619;
i *= FNV_PRIME;
i ^= *s;
}
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subst.c
+5 -8
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@@ -3564,7 +3564,7 @@ expand_arith_string (string, quoted)
{
/* This is expanded version of expand_string_internal as it's called by
expand_string_leave_quoted */
td.flags = W_NOPROCSUB; /* don't want process substitution */
td.flags = W_NOPROCSUB|W_NOTILDE; /* don't want process substitution or tilde expansion */
td.word = savestring (string);
list = call_expand_word_internal (&td, quoted, 0, (int *)NULL, (int *)NULL);
/* This takes care of the calls from expand_string_leave_quoted and
@@ -9929,15 +9929,12 @@ add_string:
case '~':
/* If the word isn't supposed to be tilde expanded, or we're not
at the start of a word or after an unquoted : or = in an
assignment statement, we don't do tilde expansion. If we don't want
tilde expansion when expanding words to be passed to the arithmetic
evaluator, remove the check for Q_ARITH. Right now, the code
suppresses tilde expansion when expanding in a pure arithmetic
context, but allows it when expanding an array subscript. This is
for backwards compatibility, but I figure nobody's relying on it */
assignment statement, we don't do tilde expansion. We don't
do tilde expansion if quoted or in an arithmetic context. */
if ((word->flags & (W_NOTILDE|W_DQUOTE)) ||
(sindex > 0 && ((word->flags & W_ITILDE) == 0)) ||
((quoted & (Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT)) && ((quoted & Q_ARRAYSUB) == 0)))
(quoted & (Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT)))
{
word->flags &= ~W_ITILDE;
if (isexp == 0 && (word->flags & (W_NOSPLIT|W_NOSPLIT2)) == 0 && isifs (c) && (quoted & (Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT)) == 0)
tests/RUN-ONE-TEST
+1 -1
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@@ -1,4 +1,4 @@
BUILD_DIR=/usr/local/build/chet/bash/bash-current
BUILD_DIR=/usr/local/build/bash/bash-current
THIS_SH=$BUILD_DIR/bash
PATH=$PATH:$BUILD_DIR

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