Alexander AlexanderFisenko
AlexanderFisenko
/ rot13.rb
Created
July 13, 2015 08:11
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| def rot13(string) | |
| a = 'a'.ord | |
| z = 'z'.ord | |
| capital_a = 'A'.ord | |
| capital_z = 'Z'.ord | |
| decyphered_string = "" | |
| string.unpack('c*').each do |char| | |
| if (a..z).cover?(char) | |
| modified_char = (((char - a) + 13) % 26) + a |