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OpenDarwin 7.2.1 - man page for rcsmerge (opendarwin section 1)

RCSMERGE(1)			     General Commands Manual			      RCSMERGE(1)

       rcsmerge - merge RCS revisions

       rcsmerge [options] file

       rcsmerge  incorporates  the  changes  between two revisions of an RCS file into the corre-
       sponding working file.

       Pathnames matching an RCS suffix denote RCS files; all others denote working files.  Names
       are paired as explained in ci(1).

       At  least  one revision must be specified with one of the options described below, usually
       -r.  At most two revisions may be specified.  If only one revision is specified, the  lat-
       est  revision  on the default branch (normally the highest branch on the trunk) is assumed
       for the second revision.  Revisions may be specified numerically or symbolically.

       rcsmerge prints a warning if there are overlaps, and delimits the overlapping  regions  as
       explained in merge(1).  The command is useful for incorporating changes into a checked-out

       -A     Output conflicts using the -A style of  diff3(1),  if  supported	by  diff3.   This
	      merges  all  changes leading from file2 to file3 into file1, and generates the most
	      verbose output.

       -E, -e These options specify conflict styles that generate less information than -A.   See
	      diff3(1)	for  details.	The default is -E.  With -e, rcsmerge does not warn about

	      Use subst style  keyword	substitution.	See  co(1)  for  details.   For  example,
	      -kk -r1.1 -r1.2 ignores differences in keyword values when merging the changes from
	      1.1 to 1.2.  It normally does not make sense to merge binary files as if they  were
	      text, so rcsmerge refuses to merge files if -kb expansion is used.

	      Send the result to standard output instead of overwriting the working file.

	      Run quietly; do not print diagnostics.

	      Merge  with respect to revision rev.  Here an empty rev stands for the latest revi-
	      sion on the default branch, normally the head.

       -T     This option has no effect; it is present for compatibility with other RCS commands.

       -V     Print RCS's version number.

       -Vn    Emulate RCS version n.  See co(1) for details.

	      Use suffixes to characterize RCS files.  See ci(1) for details.

       -zzone Use zone as the time zone for keyword substitution.  See co(1) for details.

       Suppose you have released revision 2.8 of f.c.  Assume furthermore that after you complete
       an unreleased revision 3.4, you receive updates to release 2.8 from someone else.  To com-
       bine the updates to 2.8 and your changes between 2.8 and 3.4, put the updates to 2.8  into
       file f.c and execute

	   rcsmerge  -p  -r2.8	-r3.4  f.c  >f.merged.c

       Then examine f.merged.c.  Alternatively, if you want to save the updates to 2.8 in the RCS
       file, check them in as revision and execute co -j:

	   ci  -r2.8.1.1  f.c
	   co  -r3.4  -j2.8:  f.c

       As another example, the following command undoes the changes between revision 2.4 and  2.8
       in your currently checked out revision in f.c.

	   rcsmerge  -r2.8  -r2.4  f.c

       Note the order of the arguments, and that f.c will be overwritten.

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

       Exit status is 0 for no overlaps, 1 for some overlaps, 2 for trouble.

       Author: Walter F. Tichy.
       Manual Page Revision:; Release Date: 2002/04/30.
       Copyright (C) 1982, 1988, 1989 Walter F. Tichy.
       Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995 Paul Eggert.

       ci(1), co(1), ident(1), merge(1), rcs(1), rcsdiff(1), rcsintro(1), rlog(1), rcsfile(5)
       Walter F. Tichy, RCS--A System for Version Control, Software--Practice & Experience 15,	7
       (July 1985), 637-654.

GNU					    2002/04/30				      RCSMERGE(1)

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