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Re: array.FIELD reading ascii file - ERROR message??? [message #60208 is a reply to message #60206]

Mon, 05 May 2008 05:31

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

maffie writes:

> Like always, I read in my ascii (.txt) files as follows:
>
> input = file.txt'
> res = read_ascii(input,
> DELIMITER=' ',DATA_START=1,MISSING_VALUE=-9999)
>
> This is working when checking with the print, res statement.
>
> Now, I always extract columns from this file, while using the
> following statement
> year = reform(res.field01(0,*)) or year = reform(res.field(0,*))
>
> As I am not completely sure how this FIELD statement is working, I was
> hoping on some help? Because in this case, I get the following ERROR
> message:
>
> % Tag name FIELD01 is undefined for structure <Anonymous>.
>
> And I have no idea why? Normally, if I have this message, I change
> from field 01 to field, and than it works. This time, it doesn't.
>
> Could anybody help me with this?

IDL> HELP, res, /STRUCTURE

Cheers,

David

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

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[Message index]

		Re: array.FIELD reading ascii file - ERROR message??? By: Vince Hradil on Mon, 05 May 2008 06:27
		Re: array.FIELD reading ascii file - ERROR message??? By: matthias.demuzere on Mon, 05 May 2008 06:23
		Re: array.FIELD reading ascii file - ERROR message??? By: David Fanning on Mon, 05 May 2008 05:31

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