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Re: Wave under OpenWindows [message #116 is a reply to message #115]

Thu, 02 May 1991 13:38

metcalf
Messages: 3
Registered: May 1991

Junior Member

Is there a way in IDL to determine whether a given structure name has been
defined? Every test I have tried results in the error "Structure type not
defined" when the structure does not exist (eg "print,size({SNAME})") which
then terminates the program. What I need is a test which can be used in a
program which indicates whether the structure is defined but does not generate
(or at least does not print) the "Structure Is Undefined" error.

BTW, by "structure name" I don't mean the name of a variable which contains a
structure but the name used in the structure definition.

All suggestions would be greatly appreciated!

Tom Metcalf
metcalf@uhifa.ifa.hawaii.edu

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[Message index]

		Re: Wave under OpenWindows By: greg on Thu, 02 May 1991 15:47
		Re: Wave under OpenWindows By: metcalf on Thu, 02 May 1991 13:38

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