 results."</span>,
    <span class="st">"verbose!"</span>, <span class="st">"Print message."</span>
<span class="op">)</span></code></pre></div>
<p>Then you can run this script by:</p>
<pre><code>~\&gt; Rscript foo.R --number 4 --cutoff 0.01 --verbose
~\&gt; Rscript foo.R --number=4 --cutoff=0.01 --no-verbose
~\&gt; Rscript foo.R -n 4 -c 0.01 -v
~\&gt; Rscript foo.R -n 4 --verbose</code></pre>
<p>Help message is automatically generated:</p>
<pre><code>Usage: Rscript foo.R [options]

Options:
  --number, -n 