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Re: Problem with IDL output files [message #13986]

Thu, 14 January 1999 00:00

Mark Hadfield
Messages: 783
Registered: May 1995

Senior Member

TTS wrote in message <77h5in$1ha@edrn.newsguy.com>...
> Hi there...!
>
> Using IDL 5.1 in a PentiumII NT 4.0 box this line of code:
>
> for i=0L, 307199 do printf, wlun, image(i), format='(I1)'
>
> create files with RETURN (\r) and LINE FEED (\n) terminations...
>
> How could I modify this so just RETURNS (^M) is used to finish
> the lines?

Use an unformatted write:

for i=0L, 307199 do begin
s = string(image[i], format='(I1)')
writeu, wlun, s, 13B
endfor

This may not be very fast! In principle, the following should be faster, but
you will find that the explicitly formatted string conversion is limited to
1024 lines.

writeu, wlun, string(image, format='(I1)')+string(13B)

AFAIK, you can't change the line terminator used by PRINTF

--
Mark Hadfield, m.hadfield@niwa.cri.nz http://www.niwa.cri.nz/~hadfield/
National Institute for Water and Atmospheric Research
PO Box 14-901, Wellington, New Zealand

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		Re: Problem with IDL output files By: Mark Hadfield on Thu, 14 January 1999 00:00
		Re: Problem with IDL output files By: R.Bauer on Wed, 13 January 1999 00:00

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