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Explain what the rot13 script does.

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PR:		39044
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Tim J. Robbins 2003-03-24 11:18:30 +00:00
parent 520cab0a32
commit 954a953e8d
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games/caesar/caesar.6
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@ -41,6 +41,7 @@
.Sh SYNOPSIS
.Nm
.Op Ar rotation
.Nm rot13
.Sh DESCRIPTION
The
.Nm
@ -52,6 +53,9 @@ reads from the standard input and writes to the standard output.
The optional numerical argument
.Ar rotation
may be used to specify a specific rotation value.
If invoked as
.Nm rot13 ,
a rotation value of 13 will be used.
.Pp
The frequency (from most common to least) of English letters is as follows:
.Pp