zcmp
and
zdiff
are filters that invoke
cmp(1)
or
diff(1)
respectively to compare compressed files.
Such files generally have a
``Z''
or
``gz''
extension (both the
compress(1)
and
gzip(1)
formats are supported).
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.
ENVIRONMENT
TMPDIR
Directory in which to place temporary files.
If unset,
/tmp
is used.
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:
