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Re: name a variable with number [message #87454 is a reply to message #87453]

Tue, 04 February 2014 05:57

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

rjp23@le.ac.uk writes:

> This is probably a "bad" way of doing it but I often use "execute" to generate variable names dynamically based on the contents of other variables which I think sounds like what you want to do.
>
> For example:
>
> for j=0, 24 do blah=execute('n'+strtrim(j,2)+'=nn[*,j]')
>
> This will create the 25 arrays named n0, n1, n2, etc that contain nn[0,*], etc.
>
> I'd be interested in what David et al. this of this as I end up using it quite often (but in more complicated situations).

I think in the hands of someone who knows what they are doing this can
be a powerful programming technique. I rarely see it used in those kind
of hands. :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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[Message index]

		name a variable with number By: gunvicsin11 on Tue, 04 February 2014 02:35
		Re: name a variable with number By: Mats Löfdahl on Tue, 04 February 2014 03:59
		Re: name a variable with number By: David Fanning on Tue, 04 February 2014 04:16
		Re: name a variable with number By: David Fanning on Tue, 04 February 2014 05:31
		Re: name a variable with number By: rjp23 on Tue, 04 February 2014 05:50
		Re: name a variable with number By: David Fanning on Tue, 04 February 2014 05:57
		Re: name a variable with number By: Fabzi on Tue, 04 February 2014 06:09
		Re: name a variable with number By: David Fanning on Tue, 04 February 2014 06:29
		Re: name a variable with number By: rjp23 on Tue, 04 February 2014 09:28
		Re: name a variable with number By: Fabzi on Tue, 04 February 2014 10:00
		Re: name a variable with number By: David Fanning on Tue, 04 February 2014 10:07
		Re: name a variable with number By: rjp23 on Tue, 04 February 2014 11:45
		Re: name a variable with number By: David Fanning on Tue, 04 February 2014 11:51
		Re: name a variable with number By: Mats Löfdahl on Tue, 04 February 2014 06:41

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