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commit bash-20081229 snapshot

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Chet Ramey
2011-12-07 09:34:43 -05:00
parent adeca69c7f
commit 012bac3904
377 changed files with 6142 additions and 17374 deletions
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doc/bash.1
+8 -10
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@@ -5,12 +5,12 @@
.\" Case Western Reserve University
.\" chet@po.cwru.edu
.\"
.\" Last Change: Tue Oct 28 11:24:02 EDT 2008
.\" Last Change: Mon Dec 29 16:49:01 EST 2008
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
.TH BASH 1 "2008 October 28" "GNU Bash-4.0"
.TH BASH 1 "2008 December 29" "GNU Bash-4.0"
.\"
.\" There's some problem with having a `@'
.\" in a tagged paragraph with the BSD man macros.
@@ -50,8 +50,8 @@ bash \- GNU Bourne-Again SHell
[options]
[file]
.SH COPYRIGHT
.if n Bash is Copyright (C) 1989-2008 by the Free Software Foundation, Inc.
.if t Bash is Copyright \(co 1989-2008 by the Free Software Foundation, Inc.
.if n Bash is Copyright (C) 1989-2009 by the Free Software Foundation, Inc.
.if t Bash is Copyright \(co 1989-2009 by the Free Software Foundation, Inc.
.SH DESCRIPTION
.B Bash
is an \fBsh\fR-compatible command language interpreter that
@@ -4062,6 +4062,10 @@ commands that are invoked as part of a pipeline are also executed in a
subshell environment. Changes made to the subshell environment
cannot affect the shell's execution environment.
.PP
Subshells spawned to execute command substitutions inherit the value of
the \fB\-e\fP option from the parent shell. When not in posix mode,
Bash clears the \fB\-e\fP option in such subshells.
.PP
If a command is followed by a \fB&\fP and job control is not active, the
default standard input for the command is the empty file \fI/dev/null\fP.
Otherwise, the invoked command inherits the file descriptors of the calling
@@ -9375,12 +9379,6 @@ It suffices to place the sequence of commands between
parentheses to force it into a subshell, which may be stopped as
a unit.
.PP
Commands inside of \fB$(\fP...\fB)\fP command substitution are not
parsed until substitution is attempted. This will delay error
reporting until some time after the command is entered. For example,
unmatched parentheses, even inside shell comments, will result in
error messages while the construct is being read.
.PP
Array variables may not (yet) be exported.
.PP
There may be only one active coprocess at a time.