rcsmerge
Merge RCS revisions into the working file. tldr-pages
On several platforms
Several platforms
Merge differences between two revisions into the working file
rcsmerge -rrevision1 -rrevision2 path/to/fileIdentifyMerge changes from a branch revision into the working file
rcsmerge -rbranch_revision path/to/fileIdentifyPerform a quiet merge (suppress diagnostics)
rcsmerge -q -rrevision1 -rrevision2 path/to/fileIdentifyPrint the result to stdout instead of overwriting the working file
rcsmerge -p -rrevision1 -rrevision2 path/to/fileIdentify