4.3BSD-Reno/src/games/caesar/caesar.6

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.\" Copyright (c) 1989 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms are permitted provided
.\" that: (1) source distributions retain this entire copyright notice and
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.\" acknowledgement:  ``This product includes software developed by the
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.\" Neither the name of the University nor the names of its contributors may
.\" be used to endorse or promote products derived from this software without
.\" specific prior written permission.
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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.\"	@(#)caesar.6	1.2 (Berkeley) 6/23/90
.\"
.TH CAESAR 6 "June 23, 1990"
.UC 7
.SH NAME
caesar \- decrypt caesar cyphers
.SH SYNOPSIS
.B caesar
[
.B rotation
]
.SH DESCRIPTION
The
.I caesar
utility attempts to decrypt caesar cyphers using letter frequency
statistics.
.I Caesar
reads from the standard input and writes to the standard output.
.PP
The optional numerical argument
.I rotation
may be used to specify a specific rotation value.
For example,
.B "caesar 13"
may be used to decrypt rotated postings to USENET
as well as some of the databases used with the
.I fortune
program.