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RCSDIFF.MAN
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NAME
rcsdiff - compare RCS revisions
SYNOPSIS
rcsdiff [ -biwt ] [ -cefhn ] [ -q ] [ -rrev1 ] [ -rrev2 ]
file ...
DESCRIPTION
Rcsdiff runs diff(1) to compare two revisions of each RCS
file given. A file name ending in ',v' is an RCS file name,
otherwise a working file name. Rcsdiff derives the working
file name from the RCS file name and vice versa, as
explained in co(L). Pairs consisting of both an RCS and a
working file name may also be specified.
The options -b, -i, -w, -t, -c, -e, -f, and -h, have the
same effect as described in diff(1); option -n generates an
edit script of the format used by RCS. The option -q
suppresses diagnostic output.
If both rev1 and rev2 are omitted, rcsdiff compares the
latest revision on the default branch (normally the highest
branch on the trunk) with the contents of the corresponding
working file. This is useful for determining what you
changed since the last checkin.
If rev1 is given, but rev2 is omitted, rcsdiff compares
revision rev1 of the RCS file with the contents of the
corresponding working file.
If both rev1 and rev2 are given, rcsdiff compares revisions
rev1 and rev2 of the RCS file.
Both rev1 and rev2 may be given numerically or symbolically,
and may actually be attached to any of the options.
EXAMPLES
The command
rcsdiff f.c
runs diff on the latest revision on the default branch of
RCS file f.c,v and the contents of working file f.c.
DIAGNOSTICS
The exit status is 0 if there were no differences during the
last comparison, 1 if there were differences, and 2 if there
were errors.
IDENTIFICATION
Author: Walter F. Tichy, Purdue University, West Lafayette,
IN, 47907.
Revision Number: 1.4 ; Release Date: 89/10/30 .
Copyright c 1982, 1988, 1989 by Walter F. Tichy.
SEE ALSO
ci(L), co(L), diff(1), ident(L), rcs(L), rcsintro(L),
rcsmerge(L), rlog(L)
Walter F. Tichy, "Design, Implementation, and Evaluation of
a Revision Control System," in Proceedings of the 6th Inter-
national Conference on Software Engineering, IEEE, Tokyo,
Sept. 1982.