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Re: Defining system variables [message #61 is a reply to message #58]

Thu, 08 August 1991 13:51

thompson
Messages: 584
Registered: August 1991

Senior Member

In article <6060@dftsrv.gsfc.nasa.gov>, fireman@stars.gsfc.nasa.gov (Gwyn
Fireman) writes...

> I am attempting to create an IDL user environment that uses several
> non-standard system variables. ...
> The problem I have is in compiling the initialization procedures. An
> error occurs when an as-yet undefined system variable is referenced. ...

My suggestion is to use the IDL EXECUTE function for those lines referencing
the as yet undefined system variables. For example,

...
DEFSYSV,'!SYSVAR1','11'
TEST = EXECUTE("DEFSYSV,'!SYSVAR2','2*!SYSVAR1'")

Note the two different kinds of quotes used. This is, admittedly, a little
clumsy.

Bill Thompson

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[Message index]

		Re: Defining system variables By: sterner on Fri, 09 August 1991 14:43
		Re: Defining system variables By: fireman on Fri, 09 August 1991 13:32
		Re: Defining system variables By: thompson on Thu, 08 August 1991 13:51

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