isEmptyDirectory

If file does not exist or is not a directory, <code>FALSE</code> is returned.

Miscellaneous helper functions for and from B. Bischl and
some other guys, mainly for package development.

Bernd Bischl

<dl><dt>...</dt>
<dd>[<code>character(1)</code>] 
Directory names, all strings.</dd></dl>

<dl>

<dt>...</dt>
<dd>[<code>character(1)</code>] 
Directory names, all strings.</dd>

</dl>