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.
name
Compare name
with %M% keyword in file
.
sid
Check whether the SCCS ID is ambiguous or invalid.
Silence any error message.
type
Compare type
with %Y% keyword in file
.