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Re: Extracting arrays into txt files [message #46072 is a reply to message #46071]

Thu, 03 November 2005 03:19

Peter Clinch
Messages: 98
Registered: April 1996

Member

txominhermos@hotmail.com wrote:

> I would like to know how to extract a full array into a txt file,
> maintaining the samples and collums format, to export it to a excel
> file or similar.

Programs like Excel can read ASCII text okay so as long as your array is
printed out with some sort of commonly used text separator (like white
space) there shouldn't be any problem.

You can do this very easily from IDL with PRINTF, so something like

array=indgen(10,10) ; here is an array you can use as a test
openw,1,'idl.txt' ; open a file for writing
printf,1,array ; write the array to the text file
close,1 ; close the file

If you open idl.txt in notepad or similar you'll see a plain text
representation of your array in rows and columns. If you use File |
Open in Excel it will ask you a couple of questions about the format but
it will have a correct guess so you can just go with the defaults, and
then your array will be in row and column format.

That's for 1 and 2d arrays. Obviously Excel won't be able to deal with
higher dimensional data quite as easily as IDL...

Pete.
--
Peter Clinch Medical Physics IT Officer
Tel 44 1382 660111 ext. 33637 Univ. of Dundee, Ninewells Hospital
Fax 44 1382 640177 Dundee DD1 9SY Scotland UK
net p.j.clinch@dundee.ac.uk http://www.dundee.ac.uk/~pjclinch/

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[Message index]

		Re: Extracting arrays into txt files By: txominhermos on Thu, 03 November 2005 06:28
		Re: Extracting arrays into txt files By: peter.albert@gmx.de on Thu, 03 November 2005 05:09
		Re: Extracting arrays into txt files By: Peter Clinch on Thu, 03 November 2005 04:18
		Re: Extracting arrays into txt files By: txominhermos on Thu, 03 November 2005 03:42
		Re: Extracting arrays into txt files By: txominhermos on Thu, 03 November 2005 03:40
		Re: Extracting arrays into txt files By: Peter Clinch on Thu, 03 November 2005 03:19
		Re: Extracting arrays into txt files By: Norbert Hahn on Thu, 03 November 2005 03:10
		Re: Extracting arrays into txt files By: txominhermos on Thu, 03 November 2005 03:02
		Re: Extracting arrays into txt files By: R.Bauer on Mon, 07 November 2005 11:28

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