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t.filescan
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2022-08-26
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FILESCAN
========
Written by: Joel Ellis Rea
FILESCAN is short for FILE SCANner,
and it does just that. It will scan
through every block of a file (inclu-
ding side sectors of RELative files),
and report any errors. By measuring
the time it takes to get a correct
read, FILESCAN also reports marginal
blocks. As it runs, FILESCAN displays
the type of the file, the number of
blocks, and the track and sector of
each block as it scans that block. If
it finds an error, it tells the type
of error.
FILESCAN treats READ ERROR #23's
as a special case. Since that error
involves garbaged data in a block, as
opposed to the block itself being
garbaged, the block itself can be
easily fixed by writing the data
back onto the block. The data remains
corrupted, however. Try to fix the
block ONLY if you have another copy of
the file somewhere or don't need to
keep the file.
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