gcdriver.R</code> are described
below.</p>
<div class="sourceCode" id="cb8"><pre class="sourceCode bash"><code class="sourceCode bash"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="ex">Rscript</span> exec/gcdriver.R <span class="at">--help</span></span>
<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="ex">usage:</span> gcdriver.R <span class="pp">[--]</span> <span class="pp">[--</span><span class="ss">help</span><span class="pp">]</span> <span class="pp">[--</span><span cl