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Re: calling a structure tag as a variable? [message #79438]

Mon, 27 February 2012 11:28

desertdryad
Messages: 39
Registered: August 2011

Member

Ah, yes. Thanks so much, guys! I went via Paul's method.

On Feb 27, 10:06 am, Paul van Delst <paul.vande...@noaa.gov> wrote:
> David Fanning wrote:
>> Paul van Delst writes:
>
>>> How about something like:
>
>>> PRO process_mystructure, $
>>> mystructure, $ ; The structure
>>> tag ; The tag name on which to operate
>
>>> tag_idx = WHERE(TAG_NAMES(mystructure) EQ tag, count)
>>> IF ( count NE 1 ) THEN MESSAGE, 'Invalid input tag'
>
>>> ; Pull out data to operate on
>>> data = mystructure.(tag_idx[0])
>
>>> ....operate on data...calling separate, generic procedure?
>
>>> ; Stick it back in the structure
>>> mystructure.(tag_idx[0]) = data
>
>>> END
>
>> I'd remember to make that tag UPPERCASE or you
>> are *never* going to find it! ;-)
>
> Good point.
>
> tag_idx = WHERE(TAG_NAMES(mystructure) EQ STRUPCASE(tag), count)

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[Message index]

		Re: calling a structure tag as a variable? By: desertdryad on Mon, 27 February 2012 11:28
		Re: calling a structure tag as a variable? By: Paul Van Delst[1] on Mon, 27 February 2012 09:06
		Re: calling a structure tag as a variable? By: Lajos Foldy on Mon, 27 February 2012 08:55
		Re: calling a structure tag as a variable? By: David Fanning on Mon, 27 February 2012 08:58
		Re: calling a structure tag as a variable? By: Paul Van Delst[1] on Mon, 27 February 2012 08:52

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