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Re: IDL- variable variable names [message #7375 is a reply to message #7372]

Thu, 07 November 1996 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

I wrote in a previous article:

> But..., I got about this close:
>
> FUNCTION MAGIC, file
> number = 0
> ok = EXECUTE(file + ' = 0')
> RESTORE, file
> RETURN, number
> END
>
> IDL> a = 10
> IDL> number = a
> IDL> Save, a, number, Filename='a'
> IDL> b = 'a'
> IDL> c = Magic(b)
> IDL> IF c EQ 10 THEN Print, "It's magic!"
>
> It's magic!

Here is an obvious modification that I overlooked that nudges it
even closer. And I added some help for the 8.3 crowd! :-)

FUNCTION MAGIC, file
number = 0
RESTORE, file + '.sav'
RETURN, number
END

IDL> a = 10
IDL> number = a
IDL> Save, number, Filename='a.sav'
IDL> b = 'a'
IDL> c = Magic(b)
IDL> IF c EQ 10 THEN Print, "It's magic!"

It's magic!

This almost borders on the useful now. What do you have
in mind for this, Hendrik?

David

*************************************************
* David Fanning, Ph.D.
* 2642 Bradbury Court, Fort Collins, CO 80521
* Phone: 970-221-0438 Fax: 970-221-4762
* E-Mail: davidf@dfanning.com
*
* Sometimes I go about pitying myself, and all along my
* soul is being blown by great winds across the sky.
* -- Ojibway saying
************************************************

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[Message index]

		Re: IDL- variable variable names By: alpha on Sun, 10 November 1996 00:00
		Re: IDL- variable variable names By: meron on Sun, 10 November 1996 00:00
		Re: IDL- variable variable names By: MICHEL KRUGLANSKI on Fri, 08 November 1996 00:00
		Re: IDL- variable variable names By: davidf on Thu, 07 November 1996 00:00
		Re: IDL- variable variable names By: davidf on Thu, 07 November 1996 00:00

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