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Re: Problem to read some data. [message #68453 is a reply to message #68452] Fri, 23 October 2009 02:42 Go to previous messageGo to previous message
d.poreh is currently offline  d.poreh
Messages: 406
Registered: October 2007
Senior Member
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?
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