Diffs two revisions of a module in the current $CVSROOT. Uses standard UNIX 'diff' with the options '-Naur', thus generating differences that are suitable for use with the 'patch' utility. usage: cvsrdiff [options] cvstag1 cvstag2 cvsmodule options: -h Show this help page -V Show version information For example, to show the differences between the versions of CVS module 'myproject' tagged R1-24 and R1-25, use the following command. % cvsrdiff R1-24 R1-25 myproject Any diagnostic output from this script is send to stderr, so redirecting stdout to a file will produce a clean diff file.