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commit bash-20160129 snapshot

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Chet Ramey
2016-02-09 09:03:09 -05:00
parent 037a8b7fe4
commit d345f817ff
85 changed files with 7032 additions and 7018 deletions
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doc/bash.1
+13 -7
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@@ -5,12 +5,12 @@
.\" Case Western Reserve University
.\" chet.ramey@case.edu
.\"
.\" Last Change: Mon Nov 16 10:54:48 EST 2015
.\" Last Change: Wed Jan 27 14:48:54 EST 2016
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
.TH BASH 1 "2015 November 16" "GNU Bash 4.4"
.TH BASH 1 "2016 January 27" "GNU Bash 4.4"
.\"
.\" 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]
[command_string | file]
.SH COPYRIGHT
.if n Bash is Copyright (C) 1989-2015 by the Free Software Foundation, Inc.
.if t Bash is Copyright \(co 1989-2015 by the Free Software Foundation, Inc.
.if n Bash is Copyright (C) 1989-2016 by the Free Software Foundation, Inc.
.if t Bash is Copyright \(co 1989-2016 by the Free Software Foundation, Inc.
.SH DESCRIPTION
.B Bash
is an \fBsh\fR-compatible command language interpreter that
@@ -3393,6 +3393,9 @@ 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
\f(CW\-d\(aq\^\(aq\fP becomes \f(CW\-d\fP after word splitting and
null argument removal.
.PP
Note that if no expansion occurs, no splitting
is performed.
@@ -8780,13 +8783,16 @@ invalid option is supplied.
.TP
\fBread\fP [\fB\-ers\fP] [\fB\-a\fP \fIaname\fP] [\fB\-d\fP \fIdelim\fP] [\fB\-i\fP \fItext\fP] [\fB\-n\fP \fInchars\fP] [\fB\-N\fP \fInchars\fP] [\fB\-p\fP \fIprompt\fP] [\fB\-t\fP \fItimeout\fP] [\fB\-u\fP \fIfd\fP] [\fIname\fP ...]
One line is read from the standard input, or from the file descriptor
\fIfd\fP supplied as an argument to the \fB\-u\fP option, and the first word
\fIfd\fP supplied as an argument to the \fB\-u\fP option,
split into words as described above under \fBWord Splitting\fP,
and the first word
is assigned to the first
.IR name ,
the second word to the second
.IR name ,
and so on, with leftover words and their intervening separators assigned
to the last
and so on.
If there are more words than names, the remaining words and their
intervening delimiters are assigned to the last
.IR name .
If there are fewer words read from the input stream than names,
the remaining names are assigned empty values.