If you
aren't backing up with a crc then you are doing it wrong.
True, but CRC does not buy you much if the media are fubared enough to be
largely unreadable.
We compare the CRC against previous backups. A table of
pathname, size, mtime, CRC
you compare all the ones that are the same and flag the ones that differ
only in CRC.
--
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Larry McVoy lm at
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