rcsmerge incorporates the changes between two revisions of an RCS file into the corresponding 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 latest 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.
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.
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 conflicts.
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 revision on the default branch, normally the head.
This option has no effect; it is present for compatibility with other RCS commands.
Print RCS 's version number.
Emulate RCS version n. See co(1) for details.
Use suffixes to characterize RCS files. See ci(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 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 execute
rcsmerge -p -r2.8 -r3.4 f.c
ci -r126.96.36.199 f.c co -r3.4 -j2.8:188.8.131.52 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
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