UNIX in a Nutshell: System V Edition

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The SCCS Utility
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val [options] files

Validate that the SCCS files meet the characteristics specified in the options. val produces messages on the standard output for each file and returns an 8-bit code upon exit.



Read standard input and interpret each line as a val command line argument. Exit with an EOF. This option is used by itself.


Compare name with %M% keyword in file.


Check whether the SCCS ID is ambiguous or invalid.


Silence any error message.


Compare type with %Y% keyword in file.

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