A very happy Christmas to all readers

December 24, 2008

echo unccl puevfgznf | tr A-Za-z N-ZA-Mn-za-m

This is a very simplistic thing called “rot13″, whereby “a” becomes “n”, “b” becomes “o”, “c” becomes “p”, and so on. The tr utility is ideal for simple string manipulation like this.

Happy Christmas to all!


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