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Re: read multiple files with varying names [message #66659 is a reply to message #66601]

Thu, 28 May 2009 08:25

Jean H.
Messages: 472
Registered: July 2006

Senior Member

sophie.hoss@gmail.com wrote:

> s=strarr(cols)
> n=0
> while (~ eof(file) and (n lt rows_data -1 )) do begin
> ; Read a line of data
> readf,lun,s
> ; Store it in data
> data[*,n]=s
> n=n+1 (*****)
> end
> data=data[*,0:n-1]
>
>
> I did the while-loop because I learned that IDL might not read every
> line separately. Don't know if it's the most elegant version but at
> least it is one.
>
> for the sake of my sanity, any help is appreciated!
> cheers,
> sophie

Sophie,
when reading strings, the whole line is read. So when you read in S, you
are reading nb_cols LINES.. s[0] = line0, s[1] = line1 etc. You would
have to read the whole line then separate the columns.

You can do it in one step

data = strarr(nbLines)
readf,lun,data

Jean

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[Message index]

		Re: read multiple files with varying names By: Jean H. on Mon, 25 May 2009 08:04
		Re: read multiple files with varying names By: David Fanning on Mon, 25 May 2009 08:01
		Re: read multiple files with varying names By: David Fanning on Fri, 29 May 2009 09:45
		Re: read multiple files with varying names By: David Fanning on Fri, 29 May 2009 09:39
		Re: read multiple files with varying names By: sophie.hoss on Fri, 29 May 2009 08:54
		Re: read multiple files with varying names By: Jean H. on Fri, 29 May 2009 07:01
		Re: read multiple files with varying names By: David Fanning on Fri, 29 May 2009 06:22
		Re: read multiple files with varying names By: David Fanning on Fri, 29 May 2009 06:15
		Re: read multiple files with varying names By: sophie.hoss on Fri, 29 May 2009 05:51
		Re: read multiple files with varying names By: Jean H. on Thu, 28 May 2009 08:25
		Re: read multiple files with varying names By: sophie.hoss on Thu, 28 May 2009 07:44

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