rcsdiff


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

IDENTIFICATION
       Author: Walter F. Tichy.
       Manual Page Revision: 5.9.2; Release Date: 2013-11-30.
       Copyright (C) 2010-2013 Thien-Thi Nguyen.
       Copyright (C) 1990, 1991, 1992, 1993 Paul Eggert.
       Copyright (C) 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                     2013-11-30                        RCSDIFF(1)
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