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Next: <a href="SCM-shell_002dstr.html#SCM-shell_002dstr" accesskey="n" rel="next">SCM shell-str</a>, Previous: <a href="SCM-raw_002dshell_002dstr.html#SCM-raw_002dshell_002dstr" accesskey="p" rel="prev">SCM raw-shell-str</a>, Up: <a href="Common-Functions.html#Common-Functions" accesskey="u" rel="up">Common Functions</a> [<a href="Function-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AutoOpts.html#AutoOpts" title="Index" rel="index">Index</a>]</p>
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<a name="shell-_002d-invoke-a-shell-script"></a>
<h4 class="subsection">3.5.29 <samp>shell</samp> - invoke a shell script</h4>
<a name="index-shell-1"></a>
<p>Usage: (shell command ...)
<br>
Generate a string by writing the value to a server shell and reading the
output back in. The template programmer is responsible for ensuring that
it completes within 10 seconds. If it does not, the server will be
killed, the output tossed and a new server started.
</p>
<p>Please note: This is the same server process used by the ’#shell’
definitions directive and backquoted <code>`</code> definitions. There may be
left over state from previous shell expressions and the <code>`</code>
processing in the declarations. However, a <code>cd</code> to the original
directory is always issued before the new command is issued.
</p>
<p>Also note: When initializing, autogen will set the environment
variable "AGexe" to the full path of the autogen executable.
</p>
<p>Arguments:
<br>
command - shell command - the result is from stdout
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