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new BASH_MONOSECONDS, BASH_TRAPSIG variables; make checkwinsize work in subshells of interactive shells; fix for declare -f and function names containing `='

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Chet Ramey
2023-06-20 10:10:11 -04:00
parent b91488b51c
commit fc29a02404
24 changed files with 10412 additions and 10148 deletions
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doc/bashref.html
+23 -4
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@@ -4,9 +4,9 @@
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<!-- This text is a brief description of the features that are present in
the Bash shell (version 5.3, 15 June 2023).
the Bash shell (version 5.3, 16 June 2023).
This is Edition 5.3, last updated 15 June 2023,
This is Edition 5.3, last updated 16 June 2023,
of The GNU Bash Reference Manual,
for Bash, Version 5.3.
@@ -77,10 +77,10 @@ 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 5.3, 15 June 2023).
the Bash shell (version 5.3, 16 June 2023).
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 5.3, last updated 15 June 2023,
<p>This is Edition 5.3, last updated 16 June 2023,
of <cite>The GNU Bash Reference Manual</cite>,
for <code>Bash</code>, Version 5.3.
</p>
@@ -7066,6 +7066,15 @@ dynamically loadable builtins specified by the
<code>enable</code> command.
</p>
</dd>
<dt id='index-BASH_005fMONOSECONDS'><span><code>BASH_MONOSECONDS</code><a href='#index-BASH_005fMONOSECONDS' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>Each time this variable is referenced, it expands to the value returned
by the system&rsquo;s monotonic clock, if one is available.
If there is no monotonic clock, this is equivalent to <code>EPOCHSECONDS</code>.
If <code>BASH_MONOSECONDS</code>
is unset, it loses its special properties, even if it is
subsequently reset.
</p>
</dd>
<dt id='index-BASH_005fREMATCH'><span><code>BASH_REMATCH</code><a href='#index-BASH_005fREMATCH' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>An array variable whose members are assigned by the &lsquo;<samp>=~</samp>&rsquo; binary
operator to the <code>[[</code> conditional command
@@ -7093,6 +7102,14 @@ is unset, it loses its special properties, even if it is
subsequently reset.
</p>
</dd>
<dt id='index-BASH_005fTRAPSIG'><span><code>BASH_TRAPSIG</code><a href='#index-BASH_005fTRAPSIG' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>Set to the signal number corresponding to the trap action being executed
during its execution.
See the description of <code>trap</code>
(see <a href="#Bourne-Shell-Builtins">Bourne Shell Builtins</a>)
for information about signal numbers and trap execution.
</p>
</dd>
<dt id='index-BASH_005fVERSINFO'><span><code>BASH_VERSINFO</code><a href='#index-BASH_005fVERSINFO' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>A readonly array variable (see <a href="#Arrays">Arrays</a>)
whose members hold version information for this instance of Bash.
@@ -15567,9 +15584,11 @@ Next: <a href="#Function-Index" accesskey="n" rel="next">Function Index</a>, Pre
<tr><td></td><td valign="top"><a href="#index-BASH_005fEXECUTION_005fSTRING"><code>BASH_EXECUTION_STRING</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fLINENO"><code>BASH_LINENO</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fLOADABLES_005fPATH"><code>BASH_LOADABLES_PATH</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fMONOSECONDS"><code>BASH_MONOSECONDS</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fREMATCH"><code>BASH_REMATCH</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fSOURCE"><code>BASH_SOURCE</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fSUBSHELL"><code>BASH_SUBSHELL</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fTRAPSIG"><code>BASH_TRAPSIG</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fVERSINFO"><code>BASH_VERSINFO</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fVERSION"><code>BASH_VERSION</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-BASH_005fXTRACEFD"><code>BASH_XTRACEFD</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>