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<title>execline: how to upgrade</title>
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<p>
<a href="index.html">execline</a><br />
<a href="//skarnet.org/software/">Software</a><br />
<a href="//skarnet.org/">skarnet.org</a>
</p>
<h1> What has changed in execline </h1>
<h2> in 2.4.0.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.6.4.0 </li>
<li> In order to reduce execline's verbosity and make life easier for users
who are used to the shell's syntax, commands that have a close shell equivalent
have been renamed to match the shell's command. More precisely:
<ul>
<li> <a href="background.html">background</a> is now named <strong><tt>&</tt></strong> </li>
<li> <a href="backtick.html">backtick</a> is now named <strong><tt>`</tt></strong> </li>
<li> <a href="define.html">background</a> is now named <strong><tt>=</tt></strong> </li>
<li> <a href="dollarat.html">dollarat</a> is now named <strong><tt>$@</tt></strong> </li>
<li> <a href="elglob.html">elglob</a> is now named <strong><tt>*</tt></strong> </li>
<li> <a href="fdclose.html">fdclose</a> is now named <strong><tt>>&-</tt></strong> </li>
<li> <a href="fdmove.html">fdmove</a> is now named <strong><tt>>&</tt></strong> </li>
<li> <a href="fdswap.html">fdswap</a> is now named <strong><tt><></tt></strong> </li>
<li> <a href="foreground.html">foreground</a> is now named <strong><tt>;</tt></strong> </li>
<li> <a href="getpid.html">getpid</a> is now named <strong><tt>!</tt></strong> </li>
<li> <a href="heredoc.html">heredoc</a> is now named <strong><tt><<</tt></strong> </li>
<li> <a href="homeof.html">homeof</a> is now named <strong><tt>~</tt></strong> </li>
<li> <a href="if.html">if</a> is now named <strong><tt>&&</tt></strong> </li>
<li> <a href="importas.html">importas</a> is now named <strong><tt>$</tt></strong> </li>
<li> <a href="pipeline.html">pipeline</a> is now named <strong><tt>|</tt></strong> </li>
<li> <a href="redirfd.html">redirfd</a> is now named <strong><tt><</tt></strong> </li>
</ul> </li>
</ul>
<h2> in 2.3.0.4 </h2>
<ul>
<li> skalibs dependency bumped to 2.6.2.0 </li>
</ul>
<h2> in 2.3.0.3 </h2>
<ul>
<li> skalibs dependency bumped to 2.6.0.1 </li>
</ul>
<h2> in 2.3.0.2 </h2>
<ul>
<li> skalibs dependency bumped to 2.6.0.0 </li>
<li> Commands now exit 127 (not found) or 126 (other error) if
they cannot exec into a program they're supposed to. </li>
<li> The <a href="import.html">import</a> command will likely
disappear <em>very soon</em>. Please switch to
<a href="importas.html">importas</a> as soon as possible! </li>
</ul>
<h2> in 2.3.0.1 </h2>
<ul>
<li> skalibs dependency bumped to 2.5.1.0 </li>
</ul>
<h2> in 2.3.0.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.5.0.0 </li>
<li> <a href="import.html">import</a> is now marked as obsolescent.
It is recommanded to use the <a href="importas.html">importas</a> command
instead. </li>
</ul>
<h2> in 2.2.0.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.4.0.0 </li>
<li> New <tt>-I</tt> option to <a href="backtick.html">backtick</a>
and <a href="withstdinas.html">withstdinas</a> </li>
<li> <a href="wait.html">wait</a> can now be given a timeout </li>
</ul>
<h2> in 2.1.5.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.10.0 </li>
</ul>
<h2> in 2.1.4.5 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.8.3 </li>
</ul>
<h2> in 2.1.4.4 </h2>
<ul>
<li> No functional changes </li>
</ul>
<h2> in 2.1.4.3 </h2>
<ul>
<li> No functional changes </li>
</ul>
<h2> in 2.1.4.2 </h2>
<ul>
<li> GNU make dependency pushed back to 3.81 </li>
<li> skalibs dependency bumped to 2.3.8.0 </li>
</ul>
<h2> in 2.1.4.1 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.7.1 </li>
</ul>
<h2> in 2.1.4.0 </h2>
<ul>
<li> New <tt>EXECLINE_BLOCK_END_STRING</tt> and <tt>EXECLINE_BLOCK_QUOTE_STRING</tt> macros </li>
<li> New command: <a href="withstdinas.html">withstdinas</a>. It's a simplification
of <a href="backtick.html">backtick</a>, which is now implemented as a combination of
<a href="pipeline.html">pipeline</a> and <a href="withstdinas.html">withstdinas</a>.
<li> Other new command: <a href="getcwd.html">getcwd</a>. </li>
</ul>
<h2> in 2.1.3.1 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.6.1 </li>
</ul>
<h2> in 2.1.3.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.6.0 </li>
<li> New configure option: <tt>--shebangdir</tt> for script creation
automation. </li>
</ul>
<h2> in 2.1.2.2 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.5.1 </li>
</ul>
<h2> in 2.1.2.1 </h2>
<ul>
<li> Bugfix release, no changes </li>
</ul>
<h2> in 2.1.2.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.4.0 </li>
<li> new command: <a href="trap.html">trap</a> </li>
</ul>
<h2> in 2.1.1.1 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.3.0 </li>
<li> execlineb parser made into a library function, for easier
inclusion in other programs </li>
</ul>
<h2> in 2.1.1.0 </h2>
<ul>
<li> <a href="forstdin.html">forstdin</a> added </li>
<li> <a href="forbacktickx.html">forbacktickx</a> rewritten as a wrapper
around <a href="pipeline.html">pipeline</a> and
<a href="forstdin.html">forstdin</a> </li>
</ul>
<h2> in 2.1.0.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.1.0 </li>
<li> <a href="foreground.html">foreground</a> now sets the ? environment
variable to 256 plus the signal number when its block was killed by a signal
(in previous releases it used 126). </li>
<li> New rules for exit codes of forx, loopwhilex, forbacktickx </li>
<li> New <tt>-e</tt> option to <a href="loopwhilex.html">loopwhilex</a>,
deprecating the <tt>-x</tt> option. </li>
</ul>
<h2> in 2.0.2.1 </h2>
<ul>
<li> skalibs dependency bumped to 2.3.0.0 </li>
</ul>
<h2> in 2.0.2.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.2.1.0 </li>
<li> New command: <a href="fdswap.html">fdswap</a> </li>
<li> New <tt>-D</tt> option to <a href="backtick.html">backtick</a> </li>
</ul>
<h2> in 2.0.1.1 </h2>
<ul>
<li> skalibs dependency bumped to 2.2.0.0 </li>
<li> Parallel build fix </li>
</ul>
<h2> in 2.0.1.0 </h2>
<ul>
<li> skalibs dependency bumped to 2.1.0.0 </li>
<li> <tt>-u</tt> option added to import and importas </li>
</ul>
<h2> in 2.0.0.0 </h2>
<ul>
<li> The build system has completely changed. It is now a standard
<tt>./configure && make && sudo make install</tt>
build system. See the enclosed INSTALL file for details. </li>
<li> slashpackage is not activated by default. </li>
<li> shared libraries are neither built nor used by default. </li>
<li> skalibs dependency bumped to 2.0.0.0 </li>
<li> The obsolete -E option to backtick, forx and forbacktickx is not
supported anymore. </li>
<li> multisubstitute does not support the "backtick" directive
anymore. </li>
</ul>
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