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gvaughn/caesar.exs

Last active November 27, 2015 19:20
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Caesar Cipher ElixirGolf
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caesar.exs
# for an offset range of -26 to + 26
# 114 characters
[n,p]=IO.gets("")|>String.split",";IO.puts for c<-to_char_list(p),do: c<97&&c||97+rem c-71-String.to_integer(n),26
# for any offset range
# 122 characters
[n,p]=IO.gets("")|>String.split",";IO.puts for c<-to_char_list(p),do: c<97&&c||97+rem c-71-rem(String.to_integer(n),26),26
# with @MPAherns use of a binary generator in the list comprehension
# 103 characters
[n,p]=IO.gets("")|>String.split",";IO.puts for<<c<-p>>,do: c<97&&c||97+rem c-71-String.to_integer(n),26
@emson
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emson commented Nov 23, 2015

Great work... the rules don't state anything about offsets over 26 chars so, it's perfectly valid. Thanks for writing the descriptions I'll be sure to link to it.

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