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nilium/rot13.rb

Forked from rlemon/gist:3297381
Created August 8, 2012 18:53
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ROT13 in Ruby
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rot13.rb
['string'].map{|a|a.split('').map{|b|return b if(!/[a-z]/i.match b);c=b[0].ord>=96;k=(b.downcase[0].ord-96+12)%26+1;[k+(c ? 96: 64)].pack 'U*'}.join}.join
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