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Re: Debuging [message #90407 is a reply to message #90406]

Sun, 01 March 2015 10:14

Matthew Argall
Messages: 286
Registered: October 2011

Senior Member

> % Variable is undefined: DEBUG.

You have not assigned a value to the variable DEBUG

IDL> help, a
A UNDEFINED = <Undefined>
IDL> if a then print, 'Debugging!' else print, 'Not debugging.'
% Variable is undefined: A.
% Execution halted at: $MAIN$

Interestingly, !NULL does not behave the same way

IDL> b = !Null
IDL> help, b
B UNDEFINED = !NULL
IDL> if b then print, 'Debugging!' else print, 'Not debugging.'
Not debugging.

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[Message index]

		Debuging By: d.poreh on Sun, 01 March 2015 07:23
		Re: Debuging By: Matthew Argall on Sun, 01 March 2015 08:16
		Re: Debuging By: d.poreh on Sun, 01 March 2015 09:55
		Re: Debuging By: Matthew Argall on Sun, 01 March 2015 10:14
		Re: Debuging By: d.poreh on Sun, 01 March 2015 10:34

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