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### rdiff examples

Suppose you receive mail from `foo@bar.com` asking for an update from release 1.2 to 1.4 of the tc compiler. You have no such patches on hand, but with CVS that can easily be fixed with a command such as this:

    $ cvs rdiff -c -r FOO1_2 -r FOO1_4 tc | \
    $$ Mail -s 'The patches you asked for' foo@bar.com

Suppose you have made release 1.3, and forked a branch called ``R_1_3fix'` for bugfixes. ``R_1_3_1'` corresponds to release 1.3.1, which was made some time ago. Now, you want to see how much development has been done on the branch. This command can be used:

    $ cvs patch -s -r R_1_3_1 -r R_1_3fix module-name
    cvs rdiff: Diffing module-name
    File ChangeLog,v changed from revision 1.52.2.5 to 1.52.2.6
    File foo.c,v changed from revision 1.52.2.3 to 1.52.2.4
    File bar.h,v changed from revision 1.29.2.1 to 1.2

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