カナ入力の暗号ソルバー

gistfile1.rb

#!/usr/bin/env ruby
# encoding: utf-8

kana_keys = <<-'EOS'
ぬふあうえおやゆよわほへ
たていすかんなにらせ
ちとしはきくまのりれけむ
つさそひにみもねるめろ
EOS

roman_keys = <<-'EOS'
1234567890-^
qwertyuiop
asdfghjkl;:]
zxcvbnm,./_
EOS

kana_keys = kana_keys.gsub("\n", "").split("")
roman_keys = roman_keys.gsub("\n", "").split("")

kana2roman = { }
roman2kana = { }

kana_keys.zip(roman_keys) do |k, r|
  kana2roman[k] = r
  roman2kana[r] = k
end

while str = gets
  str.chomp!
  puts str.split("").map {|c| kana2roman[c] }.join
end