TIP: Click on subject to list as thread! ANSI
echo: locuser
to: Niels Petersen
from: Bob Lawrence
date: 1996-11-19 10:59:28
subject: Do it yourself Virus chec

NP> I have a program that does a CRC and stores it in the time
 NP> field of the files directory entry, but this causes problems as
 NP> well.

 > That's what I planned to do, and it seems to work rather well.
 > What problems does it cause?

 NP> iy stuggs up the real time the file was altered when that info
 NP> is needed to check latest version or update. 

  Bummer.

 NP> If you have seen my message to FIM, then you will realise that
 NP> my method only checks the _existing files on the disk, stores
 NP> the CRC of any new files, and the data relating to a deleted
 NP> file is simply discarded. 

  I understand that, but if you have two files sharing information
it's certain to get out of step. Unfortunately, you can't always avoid
it, and your "master" apporach is the next best.

  I subscribe to Benjamin Franklin (I think) who said someone with two
clocks never knows the right time. 

Regards,
Bob
___ Blue Wave/QWK v2.12
@EOT:

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