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RCSDIFF(1) RCSDIFF(1)
NAME
rcsdiff - compare RCS revisions
SYNOPSIS
rcsdiff [ -ksubst ] [ -q ] [ -rrev1 [ -rrev2 ] ] [ -T ] [ -V[n] ] [ -xsuffixes ] [ -zzone ] [ diff
options ] file ...
DESCRIPTION
rcsdiff runs diff(1) to compare two revisions of each RCS file given.
Pathnames matching an RCS suffix denote RCS files; all others denote working files. Names are paired
as explained in ci(1).
The option -q suppresses diagnostic output. Zero, one, or two revisions may be specified with -r.
The option -ksubst affects keyword substitution when extracting revisions, as described in co(1); for
example, -kk -r1.1 -r1.2 ignores differences in keyword values when comparing revisions 1.1 and 1.2.
To avoid excess output from locker name substitution, -kkvl is assumed if (1) at most one revision
option is given, (2) no -k option is given, (3) -kkv is the default keyword substitution, and (4) the
working file's mode would be produced by co -l. See co(1) for details about -T, -V, -x and -z. Oth-erwise, Otherwise,
erwise, all options of diff(1) that apply to regular files are accepted, with the same meaning as for
diff.
If both rev1 and rev2 are omitted, rcsdiff compares the latest revision on the default branch (by
default the trunk) with the contents of the corresponding working file. This is useful for determin-ing determining
ing 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 con-tents contents
tents 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.
EXAMPLE
The command
rcsdiff f.c
compares the latest revision on the default branch of the RCS file to the contents of the working
file f.c.
ENVIRONMENT
RCSINIT
options prepended to the argument list, separated by spaces. See ci(1) for details.
DIAGNOSTICS
Exit status is 0 for no differences during any comparison, 1 for some differences, 2 for trouble.
IDENTIFICATION
Author: Walter F. Tichy.
Manual Page Revision: 1.1; Release Date: 1999/04/23.
Copyright (C) 1982, 1988, 1989 Walter F. Tichy.
Copyright (C) 1990, 1991, 1992, 1993 Paul Eggert.
SEE ALSO
ci(1), co(1), diff(1), ident(1), rcs(1), rcsintro(1), rcsmerge(1), rlog(1)
Walter F. Tichy, RCS--A System for Version Control, Software--Practice & Experience 15, 7 (July
1985), 637-654.
GNU 1999/04/23 RCSDIFF(1)
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