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Re: newbie's question for writing files [message #53511 is a reply to message #53510]

Tue, 17 April 2007 13:19

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

geonline714@gmail.com writes:

> I have a question that need your kind help:
>
> I have an arrary X with 101 columns and want to output the first
> column to integer format and the rest 100 columns to float format:
>
> OPENW,1,'test.txt'
> printf, 1, X, format='(I0,100(2X,:,F0))'
> close, 1
>
> However, because I used the group specification, format control
> reverts to the group repeat specification whose opening parenthesis
> matches the next-to-last closing parenthesis of the format string. So,
> the data are output to float format except the first line. Would you
> please give me some advices for fixing this problem? Thanks
>
> Maybe I cannot use group specification here.

Just throw in an extra set of parentheses. :-)

printf, 1, X, format='((I0,100(2X,:,F0)))'

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: newbie's question for writing files By: David Fanning on Tue, 17 April 2007 15:22
		Re: newbie's question for writing files By: geonline714 on Tue, 17 April 2007 12:43
		Re: newbie's question for writing files By: David Fanning on Tue, 17 April 2007 13:19
		Re: newbie's question for writing files By: JD Smith on Mon, 23 April 2007 10:04

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