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RCSDIFF
!!!RCSDIFF
NAME
SYNOPSIS
DESCRIPTION
EXAMPLE
ENVIRONMENT
DIAGNOSTICS
IDENTIFICATION
SEE ALSO
----
!!NAME


rcsdiff - compare RCS revisions
!!SYNOPSIS


__rcsdiff__ [[ __-k__''subst'' ] [[ __-q__ ] [[
__-r__''rev1'' [[ __-r__''rev2'' ] ] [[ __-T__
] [[ __-V__[[''n''] ] [[ __-x__''suffixes'' ] [[
__-z__''zone'' ] [[ ''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 __-k__''subst'' 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.
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: 5.5; Release Date: 1993/11/03.
Copyright 1982, 1988, 1989 Walter F. Tichy.
Copyright 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 ''
__15__, 7 (July 1985), 637-654.
----

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Last edited on Tuesday, June 4, 2002 12:22:48 am by "perry"

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