http://www.perlmonks.org?node_id=406395


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

ok, solving the problem, 58, or 59 if the ambiguity warning disturbs you.

#        1         2         3         4         5
# 3456789 123456789 123456789 123456789 123456789 123456789
print map{chr+(($_=$ARGV[0]+ord)>122?-26:0)+$_}split//,pop  ;
print map{chr((($_=$ARGV[0]+ord)>122?-26:0)+$_)}split//,pop ;

[download]

update: changed hiding code here, too

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In Section Meditations