12 lines
377 B
Groovy
12 lines
377 B
Groovy
def rot13 = { String s ->
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(s as List).collect { ch ->
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switch (ch) {
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case ('a'..'m') + ('A'..'M'):
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return (((ch as char) + 13) as char)
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case ('n'..'z') + ('N'..'Z'):
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return (((ch as char) - 13) as char)
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default:
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return ch
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}
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}.inject ("") { string, ch -> string += ch}
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}
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