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3.15 val

The val command is used to validate a (possibly suspect) sccs file. If an sccs command reports that the checksum of an sccs file is incorrect, this may mean that the file has been corrupted. In this case, val may help to confirm this (but see Why val doesn't solve the whole problem).

Example usages:-

     val -mfoo
     val -r1.2
     val SCCS/s.*
     val /proj/python/spam/spam/eggs/spam