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Ingy döt Net 2013-04-10 12:38:42 -07:00
parent 3af7344581
commit 86c034bb8b
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Task/Caesar-cipher/CoffeeScript/caesar-cipher.coffee Normal file
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cipher = (msg, rot) ->
msg.replace /([a-z|A-Z])/g, ($1) ->
c = $1.charCodeAt(0)
String.fromCharCode \
if c >= 97
then (c + rot + 26 - 97) % 26 + 97
else (c + rot + 26 - 65) % 26 + 65
console.log cipher "Hello World", 2
console.log cipher "azAz %^&*()", 3