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Hi Steve,
Do I have to read the original file and write it back out
excluding the records I don't want? Or is there a better way?
Yes, that's exactly what you have to do. Depending on the situation,
you may be able to use a utility like grep or awk to do it for you, but
one way or another, you're going to have to read the entire file and
write out a new file.
(Or use some kind of "field value" that identifies that a particular
line should be "skipped")
This is pretty much the way all text files work... in fact, almost every
computer document, aside from a database, works this way. (Actually,
databases work this way, too... except that they manage the "special
field values" under the covers so you never see them.)
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