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Annotation of 43BSDReno/usr.bin/cmp/cmp.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1987, 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"     @(#)cmp.1      6.4 (Berkeley) 7/24/90
        !            19: .\"
        !            20: .Dd July 24, 1990
        !            21: .Dt CMP 1
        !            22: .Os BSD 4.4
        !            23: .Sh NAME
        !            24: .Nm cmp
        !            25: .Nd Compare two files.
        !            26: .Sh SYNOPSIS
        !            27: .Nm cmp
        !            28: .Op Fl l Li \&| Fl s
        !            29: .Ar file1 file2
        !            30: .Sh DESCRIPTION
        !            31: The cmp utility compares two files of any type and
        !            32: writes the results to the standard output.
        !            33: Under default options,
        !            34: .Nm
        !            35: is silent
        !            36: if the files are the same; if they
        !            37: differ, the byte and line
        !            38: number at which the first difference occurred is reported.
        !            39: Bytes and
        !            40: lines are numbered beginning with one.
        !            41: .Pp
        !            42: The following options are available:
        !            43: .Tw Ds
        !            44: .Tp Fl l
        !            45: Print the byte number (decimal) and the differing
        !            46: byte values (octal) for each difference, respectively.
        !            47: .Tp Fl s
        !            48: Print nothing for differing files; return exit
        !            49: status only.
        !            50: .Tp
        !            51: .Pp
        !            52: The following operands are available:
        !            53: .Tw file1
        !            54: .Tp Ar file1
        !            55: A pathname of the first file to be compared.
        !            56: If
        !            57: .Ar file1
        !            58: is
        !            59: .Sq Fl ,
        !            60: the standard input is used.
        !            61: .Tp Ar file2
        !            62: A pathname of the second file to be compared.
        !            63: .Tp
        !            64: .Pp
        !            65: The
        !            66: .Nm cmp
        !            67: utility exits with one of the following values:
        !            68: .Tw Ds
        !            69: .Tp 0
        !            70: The files are identical.
        !            71: .Tp 1
        !            72: The files are different; this includes the case
        !            73: where one file is identical to the first part of
        !            74: the other.
        !            75: In the latter case, if the
        !            76: .Fl s
        !            77: option has
        !            78: not been specified, cmp writes to standard error
        !            79: that EOF was reached in the shorter file (before
        !            80: any differences were found).
        !            81: .Tp >1
        !            82: An error occurred.
        !            83: .Tp
        !            84: .Sh SEE ALSO
        !            85: .Xr diff 1 ,
        !            86: .Xr diff3 1
        !            87: .Sh STANDARDS
        !            88: The
        !            89: .Nm cmp
        !            90: function is expected to be POSIX 1003.2 compatible.
        !            91: This manual page is derived from the POSIX 1003.2 manual page.

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