.TH CMP 1 "2008-1.01" "pdcore utilities" "User Commands"
.SH NAME
cmp \- compare two files
.SH SYNOPSIS
.B cmp
[-l|-s] file1 file2
.SH DESCRIPTION
Compare two files. If the contents are the same, produce no output and return
an exit status of 0. If they differ, report the line and byte position of the
first difference, and return an exit status of 1. An exit status of 2 will be
returned in the event of any error.
.SH OPTIONS
.TP
-l
List all differences, not just the first.
.TP
-s
Silent. No output under any circumstances; returns exit status only.
.P
Note that options -l and -s are mutually exclusive.
.SH OPERANDS
.TP
file1, file2
Input files. If none provided, or the filename '-' is passed to cmp, standard
input will be used. Note that standard input may only be used for one of the
file inputs.
.SH "AUTHORITATIVE DOCUMENTATION"
<http://www.opengroup.org/onlinepubs/9699919799/utilities/cmp.html>
.SH VERSION AND COMPLIANCE
Utility version 1.01
.P
Functional compliance with POSIX:2008 (IEEE Std 1003.1-2008;
Shell and Utilities, Base Specifications Issue 7).
.SH UNLICENSE
This is free and unencumbered software released into the public domain,
provided "as is", without warranty of any kind, express or implied. See the
file UNLICENSE and the website <http://unlicense.org> for further details.