NAME
zcmp,
zdiff —
compare
compressed files
SYNOPSIS
zcmp |
[options]
file
[file2] |
zdiff |
[options]
file
[file2] |
DESCRIPTION
zcmp and
zdiff are filters that invoke
cmp(1) or
diff(1) respectively to compare
compressed files. Any
options that are specified are
passed to
cmp(1) or
diff(1).
If only
file1 is specified, it is compared against a file
with the same name, but with the extension removed. When both
file1 or
file2 are specified,
either file may be compressed.
Extensions handled by
gzip(1):
Extensions handled by
bzip2(1):
Extensions handled by
xz(1):
ENVIRONMENT
-
-
TMPDIR
- Directory in which to place temporary files. If unset,
/tmp is used.
FILES
- /tmp/zcmp.XXXXXXXXXX
- Temporary file for zcmp.
- /tmp/zdiff.XXXXXXXXXX
- Temporary file for zdiff.
SEE ALSO
bzip2(1),
cmp(1),
diff(1),
gzip(1),
xz(1)
CAVEATS
zcmp and
zdiff rely solely on the file
extension to determine what is, or is not, a compressed file. Consequently,
the following are not supported as arguments:
- directories
- device special files
- filenames indicating the standard input
(“-”)