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Checking header is csv file for accuracy

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From:
news.support.veritas.com
Date:
December 19, 2002 03:45
Subject:
Checking header is csv file for accuracy
Message ID:
20021219111907.5987.qmail@onion.perl.org
Before working with lines in a csv file I would like to check the headers
from the file for accuracy i.e. do the headers I expect exist, and are they
in the right order.

Alternatively, and even better, I would like to check all headers I require
exist, then for each parsed line extract only extract fileds that match the
respective header values I want. Can anyone guide me in the best direction
to achieve either option.

Thanks
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