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NetBSD 6.1.5 - man page for cmp (netbsd section 1)

CMP(1)				   BSD General Commands Manual				   CMP(1)

NAME
     cmp -- compare two files

SYNOPSIS
     cmp [-l | -s] file1 file2 [skip1 [skip2]]

DESCRIPTION
     The cmp utility compares two files of any type and writes the results to the standard out-
     put.  By default, cmp 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.

     The following options are available:

     -l    Print the byte number (decimal) and the differing byte values (octal) for each differ-
	   ence.

     -s    Print nothing for differing files; return exit status only.

     The optional arguments skip1 and skip2 are the byte offsets from the beginning of file1 and
     file2, respectively, where the comparison will begin.  The offset is decimal by default, but
     may be expressed as an hexadecimal or octal value by preceding it with a leading ``0x'' or
     ``0''.

     The cmp utility exits with one of the following values:

     0	   The files are identical.

     1	   The files are different; this includes the case where one file is identical to the
	   first part of the other.  In the latter case, if the -s option has not been specified,
	   cmp writes to standard output that EOF was reached in the shorter file (before any
	   differences were found).

     >1    An error occurred.

SEE ALSO
     diff(1), diff3(1)

STANDARDS
     The cmp utility is expected to be IEEE Std 1003.2 (``POSIX.2'') compatible.

BSD					   June 6, 1993 				      BSD


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