.DT rot13 Discworld player help rot13 .SH Name .SI 5 rot13 - Transform text with the rot13 algorithm. .EI .SH Syntax .SI 5 rot13 <string> .EI .SH Description In the words of the Jargon File (online version 4.3.1): [...] The simple Caesar-cypher encryption that replaces each English letter with the one 13 places forward or back along the alphabet, so that "The butler did it!" becomes "Gur ohgyre qvq vg!" [...] It is used to enclose the text in a sealed wrapper that the reader must choose to open -- e.g., for posting things that might offend some readers, or spoilers. A major advantage of rot13 over rot(N) for other N is that it is self-inverse, [...]. </quote> Please note that this command should not be used as an excuse to post things that would normally be against the rules. .SP 5 5 .EP .SH Examples .SI 5 > rot13 foo You rot: "sbb". > rot13 sbb You rot: "foo". > rot13 The butler did it. You rot: "Gur ohgyre qvq vg.". .EI .SH See also .SI 5 coffee table, rules .EI