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Re: VMS vs UNIX, unformatted binary files [message #3594 is a reply to message #3580]

Fri, 17 February 1995 07:25

thompson
Messages: 584
Registered: August 1991

Senior Member

lars@rapid.fi.uib.no (Lars Soeraas) writes:

> We are trying to read unformatted binary files in IDL on a
> UNIX system (HP 9000, series 700). The files to be read have been
> generated by IDL on a VAX VMS. The problem is that the bytes are
> swapped and the files contain a mixture of lonint, int, floats
> and character strings. We have an idl program to read the files
> which works well on a VAX but returns garbage on the UNIX system.
> Is there a simple way of avoiding this problem?

The IDL astronomy library <URL:ftp://idlastro.gsfc.nasa.gov> has some software
to convert VAX data to Unix format. Look particularly at the routines

conv_unix_vax.pro
conv_vax_block.pro
conv_vax_unix.pro
read_vax_block.pro

in the /pro/misc subdirectory.

Bill Thompson

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[Message index]

		Re: VMS vs UNIX, unformatted binary files By: lars on Mon, 20 February 1995 03:55
		Re: VMS vs UNIX, unformatted binary files By: thompson on Fri, 17 February 1995 07:25
		Re: VMS vs UNIX, unformatted binary files By: ryba on Thu, 16 February 1995 06:52
		Re: VMS vs UNIX, unformatted binary files By: rivers on Wed, 15 February 1995 19:29
		Re: VMS vs UNIX, unformatted binary files By: chase on Wed, 15 February 1995 15:09

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