All pattern elements? Does it use all the crazy and redundant ones as well? My favourites are
$ perl -we 'print unpack "x*(a*\@0X)*(a*@)*", "hello\n";'
$ perl -we 'print unpack(pack("(a*)*", unpack("(a*@)*", "x./a")), "
+J ust anotherr perl hacker\n");'
Just another perl hacker
Update: see also Just another unpack hacker.
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