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commit bash-20101015 snapshot

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Chet Ramey
2011-12-12 22:08:08 -05:00
parent aad3dfa27a
commit 048b249ea3
33 changed files with 843 additions and 122 deletions
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doc/bash.1
+2 -2
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@@ -9366,8 +9366,8 @@ is
.BR RETURN ,
the command
.I arg
is executed each time a shell function or a script executed with the
\fB.\fP or \fBsource\fP builtins finishes executing.
is executed each time a shell function or a script executed with
the \fB.\fP or \fBsource\fP builtins finishes executing.
.if t .sp 0.5
.if n .sp 1
If a
doc/bash.1~
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@@ -5,12 +5,12 @@
.\" Case Western Reserve University
.\" chet@po.cwru.edu
.\"
.\" Last Change: Sat Aug 28 18:55:45 EDT 2010
.\" Last Change: Mon Sep 6 22:07:38 EDT 2010
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
.TH BASH 1 "2010 August 28" "GNU Bash-4.2"
.TH BASH 1 "2010 September 6" "GNU Bash-4.2"
.\"
.\" There's some problem with having a `@'
.\" in a tagged paragraph with the BSD man macros.
doc/bashref.texi
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@@ -6694,14 +6694,6 @@ the @sc{posix} standard, and include things like passing incorrect options,
redirection errors, variable assignment errors for assignments preceding
the command name, and so on.
@item
If @env{CDPATH} is set, the @code{cd} builtin will not implicitly
append the current directory to it. This means that @code{cd} will
fail if no valid directory name can be constructed from
any of the entries in @env{$CDPATH}, even if the a directory with
the same name as the name given as an argument to @code{cd} exists
in the current directory.
@item
A non-interactive shell exits with an error status if a variable
assignment error occurs when no command name follows the assignment
@@ -6709,6 +6701,11 @@ statements.
A variable assignment error occurs, for example, when trying to assign
a value to a readonly variable.
@item
A non-interactive shell exists with an error status if a variable
assignment error occurs in an assignment statement preceding a special
builtin, but not with any other simple command.
@item
A non-interactive shell exits with an error status if the iteration
variable in a @code{for} statement or the selection variable in a
@@ -6774,10 +6771,6 @@ constructed from @code{$PWD} and the directory name supplied as an argument
does not refer to an existing directory, @code{cd} will fail instead of
falling back to @var{physical} mode.
@item
When the @code{pwd} builtin is supplied the @option{-P} option, it resets
@code{$PWD} to a pathname containing no symlinks.
@item
The @code{pwd} builtin verifies that the value it prints is the same as the
current directory, even if it is not asked to check the file system with the
doc/bashref.texi~
+15 -14
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@@ -1135,7 +1135,7 @@ command (@pxref{Redirections}).
The file descriptors can be utilized as arguments to shell commands
and redirections using standard word expansions.
The process id of the shell spawned to execute the coprocess is
The process ID of the shell spawned to execute the coprocess is
available as the value of the variable @var{NAME}_PID.
The @code{wait}
builtin command may be used to wait for the coprocess to terminate.
@@ -1382,7 +1382,7 @@ In the context where an assignment statement is assigning a value
to a shell variable or array index (@pxref{Arrays}), the @samp{+=}
operator can be used to
append to or add to the variable's previous value.
When @samp{+=} is applied to a variable for which the integer attribute
When @samp{+=} is applied to a variable for which the @var{integer} attribute
has been set, @var{value} is evaluated as an arithmetic expression and
added to the variable's current value, which is also evaluated.
When @samp{+=} is applied to an array variable using compound assignment
@@ -1717,7 +1717,7 @@ Bash uses the value of the variable formed from the rest of
expanded and that value is used in the rest of the substitution, rather
than the value of @var{parameter} itself.
This is known as @code{indirect expansion}.
The exceptions to this are the expansions of $@{!@var{prefix*}@}
The exceptions to this are the expansions of $@{!@var{prefix}@*}
and $@{!@var{name}[@@]@}
described below.
The exclamation point must immediately follow the left brace in order to
@@ -3061,7 +3061,7 @@ invocation if a new set of parameters is to be used.
When the end of options is encountered, @code{getopts} exits with a
return value greater than zero.
@env{OPTIND} is set to the index of the first non-option argument,
and @code{name} is set to @samp{?}.
and @var{name} is set to @samp{?}.
@code{getopts}
normally parses the positional parameters, but if more arguments are
@@ -4141,8 +4141,8 @@ parameters, or to display the names and values of shell variables.
@item set
@btindex set
@example
set [--abefhkmnptuvxBCEHPT] [-o @var{option}] [@var{argument} @dots{}]
set [+abefhkmnptuvxBCEHPT] [+o @var{option}] [@var{argument} @dots{}]
set [--abefhkmnptuvxBCEHPT] [-o @var{option-name}] [@var{argument} @dots{}]
set [+abefhkmnptuvxBCEHPT] [+o @var{option-name}] [@var{argument} @dots{}]
@end example
If no options or arguments are supplied, @code{set} displays the names
@@ -4503,18 +4503,19 @@ easy re-editing of multi-line commands.
@item compat31
If set, Bash
changes its behavior to that of version 3.1 with respect to quoted
arguments to the conditional command's =~ operator.
arguments to the conditional command's @samp{=~} operator.
@item compat32
If set, Bash
changes its behavior to that of version 3.2 with respect to locale-specific
string comparison when using the conditional command's < and > operators.
string comparison when using the conditional command's @samp{<} and @samp{>}
operators.
@item compat40
If set, Bash
changes its behavior to that of version 4.0 with respect to locale-specific
string comparison when using the conditional command's < and > operators
and the effect of interrupting a command list.
string comparison when using the conditional command's @samp{<} and @samp{>}
operators and the effect of interrupting a command list.
@item compat41
If set, Bash, when in posix mode, treats a single quote in a double-quoted
@@ -4850,13 +4851,13 @@ starts up, each shell option in the list will be enabled before
reading any startup files. This variable is readonly.
@item BASHPID
Expands to the process id of the current Bash process.
Expands to the process ID of the current Bash process.
This differs from @code{$$} under certain circumstances, such as subshells
that do not require Bash to be re-initialized.
@item BASH_ALIASES
An associative array variable whose members correspond to the internal
list of aliases as maintained by the @code{alias} builtin
list of aliases as maintained by the @code{alias} builtin.
(@pxref{Bourne Shell Builtins}).
Elements added to this array appear in the alias list; unsetting array
elements cause aliases to be removed from the alias list.
@@ -5728,7 +5729,7 @@ No other startup files are read.
@subsubheading Invoked by remote shell daemon
Bash attempts to determine when it is being run with its standard input
connected to a network connection, as if by the remote shell
connected to a network connection, as when executed by the remote shell
daemon, usually @code{rshd}, or the secure shell daemon @code{sshd}.
If Bash determines it is being run in
this fashion, it reads and executes commands from @file{~/.bashrc}, if that
@@ -6132,7 +6133,7 @@ The value of a variable is evaluated as an arithmetic expression
when it is referenced, or when a variable which has been given the
@var{integer} attribute using @samp{declare -i} is assigned a value.
A null value evaluates to 0.
A shell variable need not have its integer attribute turned on
A shell variable need not have its @var{integer} attribute turned on
to be used in an expression.
Constants with a leading 0 are interpreted as octal numbers.
doc/version.texi
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@@ -2,9 +2,9 @@
Copyright (C) 1988-2010 Free Software Foundation, Inc.
@end ignore
@set LASTCHANGE Mon Sep 6 22:08:10 EDT 2010
@set LASTCHANGE Wed Oct 20 21:37:22 EDT 2010
@set EDITION 4.2
@set VERSION 4.2
@set UPDATED 6 September 2010
@set UPDATED-MONTH September 2010
@set UPDATED 20 October 2010
@set UPDATED-MONTH October 2010
doc/version.texi~
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@@ -2,9 +2,9 @@
Copyright (C) 1988-2010 Free Software Foundation, Inc.
@end ignore
@set LASTCHANGE Sat Aug 28 18:56:04 EDT 2010
@set LASTCHANGE Mon Sep 6 22:08:10 EDT 2010
@set EDITION 4.2
@set VERSION 4.2
@set UPDATED 28 August 2010
@set UPDATED-MONTH August 2010
@set UPDATED 6 September 2010
@set UPDATED-MONTH September 2010