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I've got a main file that has been expanded to include certain fields
that were once relegated to a (now obsolete) auxiliary file. The
relevant fields have the same names in both files.
I've got a program that opens both files as full-procedural, and goes
through the main file, populating the fields in the main file from the
auxiliary file. It goes through the records of the main file, and for
each one, it attempts to read the auxiliary record, then (after doing a
few other things, involving populating certain fields with calculated
values) updates the main record.
The mere act of doing this with scatter-gather I/O *should* update the
fields common to the two files. And for the overwhelming majority of
records, it does.
Somehow, a relative handful of records get missed. The same ones,
consistently. They get the calculated values, but the common fields
aren't getting updated.
I've run it in the debugger, and it's not skipping any code.
Any idea why this would happen?
--
JHHL
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