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<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Shell Tricks — Varnish version 7.1.1 documentation</title> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <link rel="stylesheet" href="../_static/classic.css" type="text/css" /> <script id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script> <script src="../_static/jquery.js"></script> <script src="../_static/underscore.js"></script> <script src="../_static/doctools.js"></script> <link rel="index" title="Index" href="../genindex.html" /> <link rel="search" title="Search" href="../search.html" /> <link rel="next" title="VMOD - Varnish Modules" href="vmod.html" /> <link rel="prev" title="VMOD vtc - Utility module for varnishtest" href="vmod_vtc.html" /> </head><body> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="vmod.html" title="VMOD - Varnish Modules" accesskey="N">next</a> \|</li> <li class="right" > <a href="vmod_vtc.html" title="VMOD vtc - Utility module for varnishtest" accesskey="P">previous</a> \|</li> <li class="nav-item nav-item-0"><a href="../index.html">Varnish version 7.1.1 documentation</a> »</li> <li class="nav-item nav-item-1"><a href="index.html" accesskey="U">The Varnish Reference Manual</a> »</li> <li class="nav-item nav-item-this"><a href="">Shell Tricks</a></li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <div class="section" id="shell-tricks"> <span id="ref-shell-tricks"></span><h1>Shell Tricks<a class="headerlink" href="#shell-tricks" title="Permalink to this headline">¶</a></h1> <p>All the varnish programs can be invoked with the single argument <code class="docutils literal notranslate"><span class="pre">--optstring</span></code> to request their <cite>getopt()</cite> specification, which simplifies wrapper scripts:</p> <div class="highlight-text notranslate"><div class="highlight"><pre><span></span>optstring=$(varnishfoo --optstring) while getopts "$optstring" opt do case $opt in n) # handle $OPTARG ;; # handle other options *) # ignore unneeded options ;; esac done varnishfoo "$@" # do something with the options </pre></div> </div> </div> <div class="clearer"></div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="vmod_vtc.html" title="previous chapter">VMOD vtc - Utility module for varnishtest</a></p> <h4>Next topic</h4> <p class="topless"><a href="vmod.html" title="next chapter">VMOD - Varnish Modules</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../_sources/reference/shell_tricks.rst.txt" rel="nofollow">Show Source</a></li> </ul> </div> <div id="searchbox" style="display: none" role="search"> <h3 id="searchlabel">Quick search</h3> <div class="searchformwrapper"> <form class="search" action="../search.html" method="get"> <input type="text" name="q" aria-labelledby="searchlabel" /> <input type="submit" value="Go" /> </form> </div> </div> <script>$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="vmod.html" title="VMOD - Varnish Modules" >next</a> \|</li> <li class="right" > <a href="vmod_vtc.html" title="VMOD vtc - Utility module for varnishtest" >previous</a> \|</li> <li class="nav-item nav-item-0"><a href="../index.html">Varnish version 7.1.1 documentation</a> »</li> <li class="nav-item nav-item-1"><a href="index.html" >The Varnish Reference Manual</a> »</li> <li class="nav-item nav-item-this"><a href="">Shell Tricks</a></li> </ul> </div> <div class="footer" role="contentinfo"> © Copyright 2010-2014, Varnish Software AS. Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 3.4.3. </div> </body> </html>

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