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Reading PV-WAVE file with IDL

I have a file which was written with PV-WAVE (I believe) but I need to
read it in IDL.  The file contains 2 formatted reals, a cr-lf pair
(record separators I assume) and 1024 binary integers.  I can read the
formatted nos. but I only get 20 integers instead of the 1024 I should
be getting before IDL reports end of file.  I believe the file was
written on WinNT (although I don't know what version of PV-WAVE) and I'm
trying to read it with IDL 5.3.1 on WinNT.

Has anyone else tried to read a PV-WAVE file using IDL?  Successfully?
Any suggestions?

Dave Greenwood                Email: Greenwoodde@ORNL.GOV
Oak Ridge National Lab        %STD-W-DISCLAIMER, I only speak for myself