25 lines
899 B
Text
25 lines
899 B
Text
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#------------------------------------------------------------------------------
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# $File: sccs,v 1.8 2020/06/20 21:32:52 christos Exp $
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# sccs: file(1) magic for SCCS archives
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#
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# SCCS v4 archive structure:
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# \001h01207
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# \001s 00276/00000/00000
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# \001d D 1.1 87/09/23 08:09:20 ian 1 0
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# \001c date and time created 87/09/23 08:09:20 by ian
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# \001e
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# \001u
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# \001U
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# ... etc.
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# Now '\001h' happens to be the same as the 3B20's a.out magic number (0550).
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# *Sigh*. And these both came from various parts of the USG.
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# Maybe we should just switch everybody from SCCS to RCS!
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# Further, you can't just say '\001h0', because the five-digit number
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# is a checksum that could (presumably) have any leading digit,
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# Fortunately we have regular expression matching:
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0 string \001h
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>2 regex [0-9][0-9][0-9][0-9][0-9]$
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>>8 string \001s\040 SCCS v4 archive data
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>2 string V6,sum= SCCS v6 archive data
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