RCSDIFF(1)							    RCSDIFF(1)

NAME    [Toc]    [Back]

     rcsdiff - compare RCS revisions

SYNOPSIS    [Toc]    [Back]

     rcsdiff [ -ksubst ] [ -q ]	[ -rrev1 [ -rrev2 ] ] [	-T ] [ -V[n] ] [
     -xsuffixes	] [ -zzone ] [ diff options ] file ...

DESCRIPTION    [Toc]    [Back]

     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.  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    [Toc]    [Back]

     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    [Toc]    [Back]

     RCSINIT
	  options prepended to the argument list, separated by spaces.	See
	  ci(1)	for details.





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RCSDIFF(1)							    RCSDIFF(1)

DIAGNOSTICS    [Toc]    [Back]

     Exit status is 0 for no differences during	any comparison,	1 for some
     differences, 2 for	trouble.

IDENTIFICATION    [Toc]    [Back]

     Author: Walter F. Tichy.
     Revision Number: 5.7; Release Date: 1998/01/12.
     Copyright c 1982, 1988, 1989 by Walter F. Tichy.
     Copyright c 1990, 1991, 1992, 1993	by Paul	Eggert.

SEE ALSO    [Toc]    [Back]

     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.


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