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Re: Problem to read some data. [message #68437 is a reply to message #68436]

Mon, 26 October 2009 00:02

d.poreh
Messages: 406
Registered: October 2007

Senior Member

On 23 Okt., 06:01, pp <pp.pente...@gmail.com> wrote:
> On Oct 23, 7:42 am, Dav_Poreh <d.po...@gmail.com> wrote:
>
>
>
>
>
>> On 23 Okt., 02:26, pfp <pfpente...@gmail.com> wrote:
>
>>> On Oct 23, 4:59 am, Dav_Poreh <d.po...@gmail.com> wrote:
>
>>>> Folks
>>>> I want to read some data with *.dat format with unknown number of
>>>> columns and rows. I tried to read with*DDREAD.pro* but it does not
>>>> work. Data for each file is like this:
>
>>>> 260.559844971 4.000000000 0.390625000 0.460937500 ……..
>>>> 260.559844971 4.000000000 0.382812500 0.318359375……..
>>>> 260.559844971 4.000000000 0.414062500 0.439453125 ……..
>>>> ……
>>>> …..
>>>> .….
>>>> Actually I don’t know the number of rows and columns (but definitely
>>>> number of rows is less than columns). Does anyone have experience to
>>>> how read this kind of files?
>>>> Any help highly will be appreciated.
>>>> Cheers
>
>>> Try something like
>
>>> a=read_ascii('file.dat')
>>> sz=size(a.(0),/dim)
>>> ncols=sz[0]
>>> nrows=sz[1]
>
>>> ddread is not a built-in routine, so when you mention it you should
>>> say where it is from. Also, "*.dat format" means nothing.
>
>> Thank you
>> that's okay. but is there any way to avoid from loop?
>
> What loop? I do not see any loops.

Just how to speed up reding!!

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[Message index]

		Re: Problem to read some data. By: d.poreh on Wed, 28 October 2009 01:25
		Re: Problem to read some data. By: jkeller on Tue, 27 October 2009 01:35
		Re: Problem to read some data. By: David Fanning on Mon, 26 October 2009 04:56
		Re: Problem to read some data. By: d.poreh on Mon, 26 October 2009 02:47
		Re: Problem to read some data. By: jkeller on Mon, 26 October 2009 00:44
		Re: Problem to read some data. By: d.poreh on Mon, 26 October 2009 00:02
		Re: Problem to read some data. By: penteado on Fri, 23 October 2009 07:01
		Re: Problem to read some data. By: d.poreh on Fri, 23 October 2009 02:42
		Re: Problem to read some data. By: pfp on Fri, 23 October 2009 02:26

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