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Re: PRINTF printing to wrong LUN [message #71760 is a reply to message #71666]

Wed, 14 July 2010 08:34

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

polystethylene writes:

> Has anyone had any experience of IDL seemingly printing to the wrong
> logical unit number?
>
> I have this IF clause in my code:
>
> IF nwestframes GE 1 THEN BEGIN
> OPENW,lun2,'rotate.list'
> PRINTF,lun2,FORMAT='("'+string(calibprefix)+'",A0)',lightlist[b]
> CLOSE,lun2
> PRINTF,lun,'rotate @rotate.list @rotate.list 180'
> PRINT,'Pier flip occurs at frame
> '+string(FORMAT='(I0)',nwestframes+1)+'. 180deg rotation to be applied
> to all eastern sky images'
> PRINTF,redinfo,'Pier Flip @ frame =
> '+string(FORMAT='(A0)',nwestframes+1)
> ENDIF
>
> So as you can see I have a new file introduced within the IF clause,
> and two previously open units, lun & redinfo.
>
> Up until this point in the code, IDL was correctly printing to each
> lun, as I instructed it to. In this case however, it has printed 'Pier
> Flip @ frame 100' in the file associated with 'lun' instead of
> 'redinfo'. redinfo has other info successfully printed to it, so I
> have no idea why IDL suddenly messes up here.
>
> Any one seen anything like this before?

No. :-)

I strongly suspect pilot error.

Cheers,

David

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

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[Message index]

		PRINTF printing to wrong LUN By: polystethylene on Wed, 14 July 2010 07:48
		Re: PRINTF printing to wrong LUN By: jeanh on Wed, 14 July 2010 10:53
		Re: PRINTF printing to wrong LUN By: polystethylene on Wed, 14 July 2010 09:20
		Re: PRINTF printing to wrong LUN By: David Fanning on Wed, 14 July 2010 08:34
		Re: PRINTF printing to wrong LUN By: ben.bighair on Wed, 14 July 2010 08:34

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