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July 30, 2021 05:54
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Terrible, uninteresting rot13 implementation in ruby.
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| a=->(c){((c-97+13)%26+97).chr} | |
| b=->(c){((c-65+13)%26+65).chr} | |
| d=->(c){c==32||c<65?(c.chr):c<97?b[c]:a[c]} | |
| p gets.chomp.each_byte.map(&d).join |
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