rcsdiff man page on Mageia
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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.
Filenames 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 revi‐
sions 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. Otherwise, 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 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.
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. A
backslash escapes spaces within an option. The RCSINIT options
are prepended to the argument lists of most RCS commands. Use‐
ful RCSINIT options include -q, -V, -x, and -z.
RCS_MEM_LIMIT
An integer lim, measured in kilobytes, specifying the threshold
under which commands will try to use memory-based operations for
processing the RCS file. (For RCS files of size lim kilobytes
or greater, RCS will use the slower standard input/output rou‐
tines.) Default value is 256.
TMPDIR Name of the temporary directory. If not set, the environment
variables TMP and TEMP are inspected instead and the first value
found is taken; if none of them are set, a host-dependent
default is used, typically /tmp.
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: 5.9.2; Release Date: 2013-12-22.
Copyright © 2010-2013 Thien-Thi Nguyen.
Copyright © 1990, 1991, 1992, 1993 Paul Eggert.
Copyright © 1982, 1988, 1989 Walter F. Tichy.
SEE ALSO
ci(1), co(1), diff(1), ident(1), rcs(1), rcsmerge(1), rlog(1).
Walter F. Tichy, RCS--A System for Version Control, Software--Practice
& Experience 15, 7 (July 1985), 637-654.
The full documentation for RCS is maintained as a Texinfo manual. If
the info(1) and RCS programs are properly installed at your site, the
command
info rcs
should give you access to the complete manual. Additionally, the RCS
homepage:
http://www.gnu.org/software/rcs/
has news and links to the latest release, development site, etc.
GNU RCS 5.9.2 2013-12-22 RCSDIFF(1)
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