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sethyanow/rot13.rb

Last active August 29, 2015 14:06
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it's a simple rot13 in ruby
Raw
rot13.rb
def rot13(string)
string.bytes.map { |n|
if n.between?(78, 90) || n.between?(110, 122)
(n - 13).chr
elsif n.between?(65, 89) || n.between?(97, 109)
(n + 13).chr
else
n.chr
end
}.join
end
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