CMP(1) | General Commands Manual | CMP(1) |
cmp
— compare two
files
cmp |
[-c ] [-l |
-s ] file1 file2
[skip1 [skip2]] |
The cmp utility compares two files of any type and writes the
results to the standard output. 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:
-c
-l
flag, this can be helpful in locating
an I/O error in the underlying device.-l
-s
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:
-s
option has not been specified,
cmp
writes to standard output that EOF was reached
in the shorter file (before any differences were found).The cmp
utility is expected to be
IEEE Std 1003.2 (“POSIX.2”)
compatible.
The cmp
utility first appeared in
Version 1 AT&T UNIX.
December 13, 2016 | NetBSD 10.99 |