I was going for something else, but thought this was fun, so here it is:

#!/usr/bin/perl * _=\ $#; $#=$ ^F+$ ^F*$ ^F**$ ^F; s "$_" 'Just another Perl hacker,' . pack c, $# "exs; print time


--chargrill
$,=42;for(34,0,-3,9,-11,11,-17,7,-5){$*.=pack'c'=>$,+=$_}for(reverse s +plit//=>$* ){$%++?$ %%2?push@C,$_,$":push@c,$_,$":(push@C,$_,$")&&push@c,$"}$C[$# +C]=$/;($#C >$#c)?($ c=\@C)&&($ C=\@c):($ c=\@c)&&($C=\@C);$%=$|;for(@$c){print$_^ +$$C[$%++]}