title: How do I get a file's last modified time in Perl?
body: <p>Suppose I have a filehandle <code>$fh</code>.  I can check its existence with <code>-e $fh</code> or its file size with <code>-s $fh</code> or <a href="http://perldoc.perl.org/functions/-X.html" rel="noreferrer" title="Perl -X operands">a slew of additional information about the file</a>.  How can I get its last modified time stamp?</p>