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Re: Writing a lot of data to ASCII file without a loop? [message #76864 is a reply to message #76863]

Tue, 12 July 2011 03:45

Carsten Lechte
Messages: 124
Registered: August 2006

Senior Member

On 12/07/11 12:11, Rob wrote:
> I need to write a large array of values to an ASCII file in two long
> columns and wondered if there was a quick way of doing it.

Write them as a single array:

IDL> s1 = [1,2,3,4]
IDL> s2 = [5,6,4,1]
IDL> writeit = TRANSPOSE([[s1],[s2]])
IDL> print, writeit, format = '(G15.9)'
1.00000000 5.00000000
2.00000000 6.00000000
3.00000000 4.00000000
4.00000000 1.00000000

That gets rid of the loop, but still does a lot of binary-to-ascii
conversions, so do not expect miracles.

chl

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[Message index]

		Re: Writing a lot of data to ASCII file without a loop? By: Carsten Lechte on Tue, 12 July 2011 04:41
		Re: Writing a lot of data to ASCII file without a loop? By: ben.bighair on Tue, 12 July 2011 04:34
		Re: Writing a lot of data to ASCII file without a loop? By: rjp23 on Tue, 12 July 2011 04:09
		Re: Writing a lot of data to ASCII file without a loop? By: rjp23 on Tue, 12 July 2011 04:06
		Re: Writing a lot of data to ASCII file without a loop? By: Carsten Lechte on Tue, 12 July 2011 03:45
		Re: Writing a lot of data to ASCII file without a loop? By: rjp23 on Tue, 12 July 2011 05:55

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