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Re: How to tell if I'm running IDL or PV-WAVE [message #1781 is a reply to message #1778]

Sat, 29 January 1994 14:24

ft
Messages: 4
Registered: May 1993

Junior Member

In article <1994Jan28.034743.14539@bnlux1.bnl.gov> rivers@bnlux1.bnl.gov (mark rivers) writes:
> Is there a way to find out from within a procedure whether one is running
> PV-WAVE or IDL? I need to call LINKNLOAD if I am running PV-WAVE or
> CALL_EXTERNAL if I am running IDL. The !version system variable doesn't
> seem to have this information.

Interesting point. There seems to be no system variable which tells you
"Wave" or "IDL", or even the vendor name ("RSI" or "VNI"). Without doing
some hack like trying to find a system variable which is only found in one
of these packages, I'd use something along the lines of:

wver = call_unix("printenv","WAVE_VERSION")

Then, test wver for a null value (= running IDL) or a string value (= running
Wave). I've never used IDL, so I can't assure you this will work there (it
works in Wave). Nor am I sure what the analog would be in VMS; I assume
"call_unix" is not part of the VMS version - but there must be some
mechanism for performing an OS command.

Regards,

--
Fred True "My name is Ozymandias, King of Kings:
AT&T Global Systems Technology Group Look on my works, ye Mighty,
ft@maxwell.att.com and despair!"
ftrue@attmail.com -P. B. Shelley

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[Message index]

		Re: How to tell if I'm running IDL or PV-WAVE By: thompson on Mon, 31 January 1994 07:19
		Re: How to tell if I'm running IDL or PV-WAVE By: knipp on Mon, 31 January 1994 08:11
		Re: How to tell if I'm running IDL or PV-WAVE By: landers on Mon, 31 January 1994 15:21
		Re: How to tell if I'm running IDL or PV-WAVE By: offenbrg on Mon, 31 January 1994 08:00
		Re: How to tell if I'm running IDL or PV-WAVE By: sterne on Sun, 30 January 1994 17:36
		Re: How to tell if I'm running IDL or PV-WAVE By: ft on Sat, 29 January 1994 14:24

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