08-07-2010
Ironic, considering it's closer to a real POSIX shell than a lot of other defaults.
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RCSMERGE(1L) RCSMERGE(1L)
NAME
rcsmerge - merge RCS revisions
SYNOPSIS
rcsmerge -rrev1 [ -rrev2 ] [ -p ] file
DESCRIPTION
Rcsmerge incorporates the changes between rev1 and rev2 of an RCS file into the corresponding working file. If -p is given, the result is
printed on the standard output, otherwise the result overwrites the working file.
A file name ending in ',v' is an RCS file name, otherwise a working file name. Merge derives the working file name from the RCS file name
and vice versa, as explained in co(1L). A pair consisting of both an RCS and a working file name may also be specified.
Rev1 may not be omitted. If rev2 is omitted, the latest revision on the default branch (normally the highest branch on the trunk) is
assumed. Both rev1 and rev2 may be given numerically or symbolically.
Rcsmerge prints a warning if there are overlaps, and delimits the overlapping regions as explained in co -j. The command is useful for
incorporating changes into a checked-out revision.
EXAMPLES
Suppose you have released revision 2.8 of f.c. Assume furthermore that you just completed revision 3.4, when you receive updates to release
2.8 from someone else. To combine 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 exe-
cute
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 2.8.1.1 and exe-
cute co -j:
ci -r2.8.1.1 f.c
co -r3.4 -j2.8:2.8.1.1 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.
IDENTIFICATION
Author: Walter F. Tichy, Purdue University, West Lafayette, IN, 47907.
Revision Number: 1.2 ; Release Date: 87/02/27 .
Copyright (C) 1982 by Walter F. Tichy.
SEE ALSO
ci(1L), co(1L), merge(1L), ident(1L), rcs(1L), rcsdiff(1L), rlog(1L)
Walter F. Tichy, "Design, Implementation, and Evaluation of a Revision Control System," in Proceedings of the 6th International Conference
on Software Engineering, IEEE, Tokyo, Sept. 1982.
BUGS
Rcsmerge does not work on files that contain lines with a single `.'.
Purdue University RCSMERGE(1L)