Yes, I know there is usually little need nowadays for this kind of indirect filehandle. My question is to just satisfy my curiousity. I did find out that the assigment as a reference is blessable. See How can I use a filehandle indirectly?. But I think there has to be some other difference.

$PM = "Perl Monk's";
$MCF = "Most Clueless Friar Abbot Bishop";
$nysus = $PM . $MCF;
Click here if you love Perl Monks