 the existence of the directory is checked using
<code>file.exists</code> and the directory created with <code>dir.create</code>.
Only the first argument, is required.  The other optional arguments
are handy when one wants to create many similar directories with a common base.</p>
    <h2 class="hasAnchor" id="author"><a class="anchor" href="#author"></a>Author</h2>

    <p>Joshua F. Wiley &lt;jwiley.psych@gmail.com&gt;</p>

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Exam