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The sccsdiff(CP) command determines (and prints on the standard output) the differences between any two versions of an SCCS file. The versions to be compared are specified with sccsdiff -r in the same way as with get -r. SID numbers must be specified as the first two arguments. Any following key letters are interpreted as arguments to the pr(C) command (which prints the differences), and must appear before any filenames. The SCCS file(s) to be processed are named last. Directory names and a name `-' (a single minus sign) are not acceptable to sccsdiff.
The following is an example of the format of
sccsdiff:
sccsdiff -r3.4 -r5.6 s.abc
The differences are printed the same way as by diff(C).