http://www.perlmonks.org?node_id=406451


in reply to Re: Golf: ROT-n
in thread Golf: ROT-n

This generates an error on Perl 5.8.4 (Can't modify constant item in postincrement).

I thought about a couple of variants of this idea (not this one though) but didn't find a way to get the stroke count low. Particularly not on my version of Perl.