Is it possible to restore a directory such that if files exist they are overwritten, but if a file doesn't exist on the restore it is removed?

i.e.

System A                System B
--------------          ----------------
Directory X                     Directory X
File a b c d            File a   d

So in this scenario you restore from System B to System A and since the files "a" and "d" exist, they are overwritten, but files "b", and "c" are deleted.

I know the easy way (in theory) would be to delete the directory X on system A and then do the restore from backup of system B, but we are cloning data from a production system to a test system and there are thousands of directories with thousands of sub-directories so doing a RM will take several hours to complete.  And the developers want to make sure that there isn't test or development data left behind after the restore from the production server.

Thanks
Dan

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