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Re: turn a string value into variable name [message #63040 is a reply to message #63039]

Thu, 23 October 2008 15:56

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Nick writes:

> I am restoring over 100 .sav files and creating structures for
> analysis. Each .sav represents a differenct scenario and ideally I
> would like to name the created structure in sequential format (case1,
> case2...casen).
>
> To pull the data in I am using a for loop (all .sav have identical
> array names) and I'd like to use the counter to name the variable. Is
> it possible to turn a string into a variable name?

The EXECUTE command can do this:

FOR j=0,n DO BEGIN
IF Execute('case' + String(j, Format='(I3.3)') + $
'= mysavedStruct') EQ 0 THEN $
Print, 'We have a failure to execute!'
ENDFOR

At one time there was a limit on the number of new
variables that could be created this way inside an
IDL program. I believe that limit has been removed.

Cheers,

David

--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: turn a string value into variable name By: greg.addr on Fri, 24 October 2008 06:08
		Re: turn a string value into variable name By: Nick[2] on Thu, 23 October 2008 16:04
		Re: turn a string value into variable name By: David Fanning on Thu, 23 October 2008 15:56
		Re: turn a string value into variable name By: loebasboy on Wed, 29 October 2008 06:18
		Re: turn a string value into variable name By: sher.astro on Thu, 06 December 2012 01:55

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