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Re: Debuging [message #90408 is a reply to message #90407]

Sun, 01 March 2015 10:34

d.poreh
Messages: 406
Registered: October 2007

Senior Member

On Sunday, March 1, 2015 at 9:44:16 PM UTC+3:30, Matthew Argall wrote:
>> % 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.

yes that was the problem. i fixed that.
Thanks again,
Cheers,
Dave

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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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