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Re: turn a string value into variable name [message #82321 is a reply to message #63040]

Thu, 06 December 2012 01:55

sher.astro
Messages: 2
Registered: August 2012

Junior Member

在 2008年10月24日星期五UTC+8上午6时56分27秒，David Fanning写道：
> 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
it's helpful. thanks a lot
>
> 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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