X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/1c15e88899094343f75aeba04122cd96a96b428e..af359dea2e5ab3e937b62107ecd6a51d78189ed7:/usr/src/usr.bin/cmp/cmp.1

diff --git a/usr/src/usr.bin/cmp/cmp.1 b/usr/src/usr.bin/cmp/cmp.1
index 8f37de28fd..ab003e1c37 100644
--- a/usr/src/usr.bin/cmp/cmp.1
+++ b/usr/src/usr.bin/cmp/cmp.1
@@ -1,25 +1,42 @@
 .\" Copyright (c) 1987, 1990 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
-.\" comment, and (2) distributions including binaries display the following
-.\" acknowledgement:  ``This product includes software developed by the
-.\" University of California, Berkeley and its contributors'' in the
-.\" documentation or other materials provided with the distribution and in
-.\" all advertising materials mentioning features or use of this software.
-.\" 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.
+.\" This code is derived from software contributed to Berkeley by
+.\" the Institute of Electrical and Electronics Engineers, Inc.
 .\"
-.\"     @(#)cmp.1	6.4 (Berkeley) 7/24/90
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. 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.
 .\"
-.Dd July 24, 1990
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)cmp.1	6.7 (Berkeley) 6/27/91
+.\"
+.Dd June 27, 1991
 .Dt CMP 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm cmp
 .Nd Compare two files.
@@ -30,45 +47,36 @@
 .Sh DESCRIPTION
 The cmp utility compares two files of any type and
 writes the results to the standard output.
-Under default options,
+By default,
 .Nm
-is silent
-if the files are the same; if they
-differ, the byte and line
-number at which the first difference occurred is reported.
-Bytes and
-lines are numbered beginning with one.
+is silent if the files are the same; if they differ, the byte
+and line number at which the first difference occurred is reported.
+.Pp
+Bytes and lines are numbered beginning with one.
 .Pp
 The following options are available:
-.Tw Ds
-.Tp Fl l
+.Bl -tag -width Ds
+.It Fl l
 Print the byte number (decimal) and the differing
-byte values (octal) for each difference, respectively.
-.Tp Fl s
+byte values (octal) for each difference.
+.It Fl s
 Print nothing for differing files; return exit
 status only.
-.Tp
+.El
 .Pp
-The following operands are available:
-.Tw file1
-.Tp Ar file1
-A pathname of the first file to be compared.
 If
 .Ar file1
-is
-.Sq Fl ,
-the standard input is used.
-.Tp Ar file2
-A pathname of the second file to be compared.
-.Tp
+or
+.Ar file2
+is ``-'', the the standard input is used.
 .Pp
 The
 .Nm cmp
 utility exits with one of the following values:
-.Tw Ds
-.Tp 0
+.Bl -tag -width 4n
+.It 0
 The files are identical.
-.Tp 1
+.It 1
 The files are different; this includes the case
 where one file is identical to the first part of
 the other.
@@ -78,9 +86,9 @@ option has
 not been specified, cmp writes to standard error
 that EOF was reached in the shorter file (before
 any differences were found).
-.Tp >1
+.It >1
 An error occurred.
-.Tp
+.El
 .Sh SEE ALSO
 .Xr diff 1 ,
 .Xr diff3 1
@@ -88,4 +96,3 @@ An error occurred.
 The
 .Nm cmp
 function is expected to be POSIX 1003.2 compatible.
-This manual page is derived from the POSIX 1003.2 manual page.