GRIB 1 or 2

Hi

I'm using Nio to read GRIB files. How can I determine wether the files
are in GRIB 1 or GRIB 2 format? How different are the two GRIB formats?
Is it possible that a program expecting GRIB 1 can read GRIB 2, but
interprets it not correctly?

Thanks,
Juerg
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Received on Wed Oct 17 2007 - 16:04:22 MDT