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commit bash-20201218 snapshot

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Chet Ramey
2020-12-25 18:17:33 -05:00
parent 975643bb2b
commit 3c5683a47b
29 changed files with 1487 additions and 1447 deletions
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doc/bashref.html
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@@ -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 5.1, 29 October 2020).
the Bash shell (version 5.1, 21 December 2020).
This is Edition 5.1, last updated 29 October 2020,
This is Edition 5.1, last updated 21 December 2020,
of The GNU Bash Reference Manual,
for Bash, Version 5.1.
@@ -275,10 +275,10 @@ Next: <a href="#Introduction" accesskey="n" rel="next">Introduction</a>, Previou
<span id="Bash-Features-1"></span><h1 class="top">Bash Features</h1>
<p>This text is a brief description of the features that are present in
the Bash shell (version 5.1, 29 October 2020).
the Bash shell (version 5.1, 21 December 2020).
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 5.1, last updated 29 October 2020,
<p>This is Edition 5.1, last updated 21 December 2020,
of <cite>The GNU Bash Reference Manual</cite>,
for <code>Bash</code>, Version 5.1.
</p>
@@ -8005,7 +8005,7 @@ executing it.
See <a href="#Controlling-the-Prompt">Controlling the Prompt</a>, for a complete list of prompt
string escape sequences.
</li><li> Bash executes the values of the set elements of the <code>PROMPT_COMMANDS</code>
</li><li> Bash executes the values of the set elements of the <code>PROMPT_COMMAND</code>
array variable as commands before printing the primary prompt, <code>$PS1</code>
(see <a href="#Bash-Variables">Bash Variables</a>).
@@ -8756,9 +8756,9 @@ Next: <a href="#The-Restricted-Shell" accesskey="n" rel="next">The Restricted Sh
<span id="Controlling-the-Prompt-1"></span><h3 class="section">6.9 Controlling the Prompt</h3>
<span id="index-prompting"></span>
<p>Bash examines the value of the array variable <code>PROMPT_COMMANDS</code> just before
<p>Bash examines the value of the array variable <code>PROMPT_COMMAND</code> just before
printing each primary prompt.
If any elements in <code>PROMPT_COMMANDS</code> are set and non-null, Bash
If any elements in <code>PROMPT_COMMAND</code> are set and non-null, Bash
executes each value, in numeric order,
just as if it had been typed on the command line.
</p>
@@ -13500,9 +13500,14 @@ the installed version of Readline in subdirectories of that directory
<var>PREFIX</var>/<code>lib</code>).
</p>
</dd>
<dt><code>--with-purify</code></dt>
<dd><p>Define this to use the Purify memory allocation checker from Rational
Software.
<dt><code>--with-libintl-prefix[=<var>PREFIX</var>]</code></dt>
<dd><p>Define this to make Bash link with a locally-installed version of the
libintl library instead ofthe version in <samp>lib/intl</samp>.
</p>
</dd>
<dt><code>--with-libiconv-prefix[=<var>PREFIX</var>]</code></dt>
<dd><p>Define this to make Bash look for libiconv in <var>PREFIX</var> instead of the
standard system locations. There is no version included with Bash.
</p>
</dd>
<dt><code>--enable-minimal-config</code></dt>
@@ -13512,7 +13517,7 @@ Bourne shell.
</dl>
<p>There are several <samp>--enable-</samp> options that alter how Bash is
compiled and linked, rather than changing run-time features.
compiled, linked, and installed, rather than changing run-time features.
</p>
<dl compact="compact">
<dt><code>--enable-largefile</code></dt>
@@ -13526,10 +13531,16 @@ default, if the operating system provides large file support.
processed by <code>gprof</code> each time it is executed.
</p>
</dd>
<dt><code>--enable-separate-helpfiles</code></dt>
<dd><p>Use external files for the documentation displayed by the <code>help</code> builtin
instead of storing the text internally.
</p>
</dd>
<dt><code>--enable-static-link</code></dt>
<dd><p>This causes Bash to be linked statically, if <code>gcc</code> is being used.
This could be used to build a version to use as root&rsquo;s shell.
</p></dd>
</p>
</dd>
</dl>
<p>The &lsquo;<samp>minimal-config</samp>&rsquo; option can be used to disable all of
@@ -13537,7 +13548,9 @@ the following options, but it is processed first, so individual
options may be enabled using &lsquo;<samp>enable-<var>feature</var></samp>&rsquo;.
</p>
<p>All of the following options except for &lsquo;<samp>disabled-builtins</samp>&rsquo;,
&lsquo;<samp>direxpand-default</samp>&rsquo;, and
&lsquo;<samp>direxpand-default</samp>&rsquo;,
&lsquo;<samp>strict-posix-default</samp>&rsquo;,
and
&lsquo;<samp>xpg-echo-default</samp>&rsquo; are
enabled by default, unless the operating system does not provide the
necessary support.
@@ -13722,11 +13735,6 @@ when called as <code>rbash</code>, enters a restricted mode. See
simple menus (see <a href="#Conditional-Constructs">Conditional Constructs</a>).
</p>
</dd>
<dt><code>--enable-separate-helpfiles</code></dt>
<dd><p>Use external files for the documentation displayed by the <code>help</code> builtin
instead of storing the text internally.
</p>
</dd>
<dt><code>--enable-single-help-strings</code></dt>
<dd><p>Store the text displayed by the <code>help</code> builtin as a single string for
each help topic. This aids in translating the text to different languages.