pmodules/bash
0
0
Fork 0
mirror of https://https.git.savannah.gnu.org/git/bash.git synced 2026-07-01 01:20:00 +02:00
Code Issues Packages Projects Releases Wiki Activity

commit bash-20160401 snapshot

Browse Source
This commit is contained in:
Chet Ramey
2016-04-07 11:40:23 -04:00
parent b78207dd0c
commit b729dac1c8
28 changed files with 7103 additions and 6761 deletions
Download Patch File Download Diff File Expand all files Collapse all files
doc/bashref.html
+32 -23
View File
@@ -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 4.4, 8 February 2016).
the Bash shell (version 4.4, 28 February 2016).
This is Edition 4.4, last updated 8 February 2016,
This is Edition 4.4, last updated 28 February 2016,
of The GNU Bash Reference Manual,
for Bash, Version 4.4.
@@ -285,10 +285,10 @@ 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 4.4, 8 February 2016).
the Bash shell (version 4.4, 28 February 2016).
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 4.4, last updated 8 February 2016,
<p>This is Edition 4.4, last updated 28 February 2016,
of <cite>The GNU Bash Reference Manual</cite>,
for <code>Bash</code>, Version 4.4.
</p>
@@ -3327,7 +3327,7 @@ input (or file descriptor <var>n</var> if <var>n</var> is specified) for a comma
<p>No parameter and variable expansion, command substitution,
arithmetic expansion, or filename expansion is performed on
<var>word</var>. If any characters in <var>word</var> are quoted, the
<var>word</var>. If any part of <var>word</var> is quoted, the
<var>delimiter</var> is the result of quote removal on <var>word</var>,
and the lines in the here-document are not expanded.
If <var>word</var> is unquoted,
@@ -4275,8 +4275,7 @@ less than zero, non-zero otherwise.
<pre class="example">test <var>expr</var>
</pre></div>
<p>Evaluate a conditional express
ion <var>expr</var> and return a status of 0
<p>Evaluate a conditional expression <var>expr</var> and return a status of 0
(true) or 1 (false).
Each operator and operand must be a separate argument.
Expressions are composed of the primaries described below in
@@ -4469,7 +4468,7 @@ results in permissions of <code>755</code>.
<p>Remove each variable or function <var>name</var>.
If the <samp>-v</samp> option is given, each
<var>name</var> refers to a shell variable and that variable is remvoved.
<var>name</var> refers to a shell variable and that variable is removed.
If the <samp>-f</samp> option is given, the <var>name</var>s refer to shell
functions, and the function definition is removed.
If the <samp>-n</samp> option is supplied, and <var>name</var> is a variable with
@@ -6773,11 +6772,14 @@ is readonly.
<a name="index-EXECIGNORE"></a>
</dt>
<dd><p>A colon-separated list of shell patterns (see <a href="#Pattern-Matching">Pattern Matching</a>)
defining the list of filenames to be ignored by command search.
defining the list of filenames to be ignored by command search using
<code>PATH</code>.
Files whose full pathnames match one of these patterns are not considered
executable files for the purposes of completion and command execution.
executable files for the purposes of completion and command execution
via <code>PATH</code> lookup.
This does not affect the behavior of the <code>[</code>, <code>test</code>, and <code>[[</code>
commands.
Full pathnames in the command hash table are not subject to <code>EXECIGNORE</code>.
Use this variable to ignore shared library files that have the executable
bit set, but are not executable files.
The pattern matching honors the setting of the <code>extglob</code> shell
@@ -8078,8 +8080,8 @@ Next: <a href="#Aliases" accesskey="n" rel="next">Aliases</a>, Previous: <a href
<a name="index-arithmetic-evaluation"></a>
<p>The shell allows arithmetic expressions to be evaluated, as one of
the shell expansions or by the <code>let</code> and the <samp>-i</samp> option
to the <code>declare</code> builtins.
the shell expansions or by using the <code>((</code> compound command, the
<code>let</code> builtin, or the <samp>-i</samp> option to the <code>declare</code> builtin.
</p>
<p>Evaluation is done in fixed-width integers with no check for overflow,
though division by 0 is trapped and flagged as an error.
@@ -9822,7 +9824,9 @@ The default limit is <code>100</code>.
<p>If set to &lsquo;<samp>on</samp>&rsquo;, Readline will convert characters with the
eighth bit set to an <small>ASCII</small> key sequence by stripping the eighth
bit and prefixing an <tt class="key">ESC</tt> character, converting them to a
meta-prefixed key sequence. The default value is &lsquo;<samp>on</samp>&rsquo;.
meta-prefixed key sequence. The default value is &lsquo;<samp>on</samp>&rsquo;, but
will be set to &lsquo;<samp>off</samp>&rsquo; if the locale is one that contains
eight-bit characters.
</p>
</dd>
<dt><code>disable-completion</code></dt>
@@ -9832,6 +9836,13 @@ Completion characters will be inserted into the line as if they had
been mapped to <code>self-insert</code>. The default is &lsquo;<samp>off</samp>&rsquo;.
</p>
</dd>
<dt><code>echo-control-characters</code></dt>
<dd><a name="index-echo_002dcontrol_002dcharacters"></a>
<p>When set to &lsquo;<samp>on</samp>&rsquo;, on operating systems that indicate they support it,
readline echoes a character corresponding to a signal generated from the
keyboard. The default is &lsquo;<samp>on</samp>&rsquo;.
</p>
</dd>
<dt><code>editing-mode</code></dt>
<dd><a name="index-editing_002dmode"></a>
<p>The <code>editing-mode</code> variable controls which default set of
@@ -9852,13 +9863,6 @@ sequence into the mode string.
The default is &lsquo;<samp>@</samp>&rsquo;.
</p>
</dd>
<dt><code>echo-control-characters</code></dt>
<dd><a name="index-echo_002dcontrol_002dcharacters"></a>
<p>When set to &lsquo;<samp>on</samp>&rsquo;, on operating systems that indicate they support it,
readline echoes a character corresponding to a signal generated from the
keyboard. The default is &lsquo;<samp>on</samp>&rsquo;.
</p>
</dd>
<dt><code>enable-bracketed-paste</code></dt>
<dd><a name="index-enable_002dbracketed_002dpaste"></a>
<p>When set to &lsquo;<samp>On</samp>&rsquo;, Readline will configure the terminal in a way
@@ -9904,6 +9908,8 @@ are saved.
If set to a value less than zero, the number of history entries is not
limited.
By default, the number of history entries is not limited.
If an attempt is made to set <var>history-size</var> to a non-numeric value,
the maximum number of history entries will be set to 500.
</p>
</dd>
<dt><code>horizontal-scroll-mode</code></dt>
@@ -9921,8 +9927,9 @@ this variable is set to &lsquo;<samp>off</samp>&rsquo;.
<p>If set to &lsquo;<samp>on</samp>&rsquo;, Readline will enable eight-bit input (it
will not clear the eighth bit in the characters it reads),
regardless of what the terminal claims it can support. The
default value is &lsquo;<samp>off</samp>&rsquo;. The name <code>meta-flag</code> is a
synonym for this variable.
default value is &lsquo;<samp>off</samp>&rsquo;, but Readline will set it to &lsquo;<samp>on</samp>&rsquo; if the
locale contains eight-bit characters.
The name <code>meta-flag</code> is a synonym for this variable.
</p>
</dd>
<dt><code>isearch-terminators</code></dt>
@@ -10010,7 +10017,9 @@ the list. The default is &lsquo;<samp>off</samp>&rsquo;.
<dd><a name="index-output_002dmeta"></a>
<p>If set to &lsquo;<samp>on</samp>&rsquo;, Readline will display characters with the
eighth bit set directly rather than as a meta-prefixed escape
sequence. The default is &lsquo;<samp>off</samp>&rsquo;.
sequence.
The default is &lsquo;<samp>off</samp>&rsquo;, but Readline will set it to &lsquo;<samp>on</samp>&rsquo; if the
locale contains eight-bit characters.
</p>
</dd>
<dt><code>page-completions</code></dt>