Re: reading multiple file

[Carlo de Falco]

On 28 Jul 2009, at 10:56, nuncio murukesh wrote:

> Hi all,
>        I am new to octave and started learning it to interpolate some
> ocean profile data using spline.  The problem is that I have quite a
> number of files, say, 10000 all of which needed to be opened and
> interpolate.  If I have file names like file_1.txt,
> file_2.txt......file_n.txt, can all the files be opened using the for
> loop something like this
> for i=1,10000
>         filename="file_"+i+".txt"
>         endfor

In Octave a string is just a vector of characters so you can do

for i=1:10000
  filename= [ "file_" num2str(i) ".txt" ];
endfor

or you can do it in C style

for i=1:10000
  filename= sprintf("file_%d.txt", i);
endfor

>         I took this idea from IDL
> anyother means would also be greatly appreciated
>
> Thanks
> --
> Polar Remote Sensing Division
> NCAOR

c.