http://www.perlmonks.org?node_id=406407


in reply to Golf: ROT-n

I couldn't find a shorter solution for the character-based approach. So this is different, maybe it can be made even shorter than 54.

#        1         2         3         4         5
# 3456789 123456789 123456789 123456789 123456789 123456789
eval'tr/a-z/'.chr(97+shift).'-za-z/for@ARGV;print pop'

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update: changed spoiler hiding to standard way.

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