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commit bash-20090115 snapshot

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Chet Ramey
2011-12-07 09:35:52 -05:00
parent 4f562c6df4
commit e141c35a07
121 changed files with 1640 additions and 16260 deletions
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doc/bash.1
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@@ -887,6 +887,9 @@ The format for a coprocess is:
.PP
This creates a coprocess named \fINAME\fP.
If \fINAME\fP is not supplied, the default name is \fICOPROC\fP.
\fINAME\fP must not be supplied if \fIcommand\fP is a \fIsimple
command\fP (see above); otherwise, it is interpreted as the first word
of the simple command.
When the coproc is executed, the shell creates an array variable (see
.B Arrays
below) named \fINAME\fP in the context of the executing shell.
@@ -2484,9 +2487,10 @@ introduce indirection.
.PP
In each of the cases below, \fIword\fP is subject to tilde expansion,
parameter expansion, command substitution, and arithmetic expansion.
When not performing substring expansion, \fBbash\fP tests for a parameter
that is unset or null; omitting the colon results in a test only for a
parameter that is unset.
.PP
When not performing substring expansion, using the forms documented below,
\fBbash\fP tests for a parameter that is unset or null. Omitting the colon
results in a test only for a parameter that is unset.
.PP
.PD 0
.TP
@@ -2723,7 +2727,7 @@ to uppercase; the \fB,\fP operator converts matching uppercase letters
to lowercase.
The \fB^^\fP and \fB,,\fP expansions convert each matched character in the
expanded value; the \fB^\fP and \fB,\fP expansions match and convert only
the first character.
the first character in the expanded value..
If \fIpattern\fP is omitted, it is treated like a \fB?\fP, which matches
every character.
If
@@ -7636,6 +7640,10 @@ is supplied, or
Exit a login shell.
.TP
\fBmapfile\fP [\fB\-n\fP \fIcount\fP] [\fB\-O\fP \fIorigin\fP] [\fB\-s\fP \fIcount\fP] [\fB\-t\fP] [\fB\-u\fP \fIfd\fP] [\fB\-C\fP \fIcallback\fP] [\fB\-c\fP \fIquantum\fP] [\fIarray\fP]
.PD 0
.TP
\fBreadarray\fP [\fB\-n\fP \fIcount\fP] [\fB\-O\fP \fIorigin\fP] [\fB\-s\fP \fIcount\fP] [\fB\-t\fP] [\fB\-u\fP \fIfd\fP] [\fB\-C\fP \fIcallback\fP] [\fB\-c\fP \fIquantum\fP] [\fIarray\fP]
.PD
Read lines from the standard input into array variable
.IR array ,
or from file descriptor
@@ -7685,6 +7693,10 @@ If
is specified without
.BR \-c ,
the default quantum is 5000.
When \fIcallback\fP is evaluated, it is supplied the index of the next
array element to be assigned as an additional argument.
\fIcallback\fP is evaluated after the line is read but before the
array element is assigned.
.PP
If not supplied with an explicit origin, \fBmapfile\fP will clear \fIarray\fP
before assigning to it.