File processing advice

[AlexG1]

Jaroslav Hajek-2 wrote:
> 
> On Mon, Mar 2, 2009 at 5:10 PM, AlexG1 <alxgel at gmail.com> wrote:
> 
> 
> Performance issues (both optimizing scripts and Octave itself) are by
> far best done on real examples. Can't you share your actual code + a
> test file? If they're too big to post here, perhaps make the
> accessible on the web?
> You may be missing something simple, or there may be a simple
> optimization possible for Octave.
> 
> cheers
> 

Hi,

I attached the code and linked to the test file.
The command I used to run the script is:

filter_out('test.txt','test_out.txt',1,2,10000,150000,10000,150000)

(1,2 are the column indexes and the last 4 numbers are the bounds:
minX,maxX,minY,maxY)

http://www.sendspace.com/file/n07rno Test file 
http://www.nabble.com/file/p22327491/filter_out.m filter_out.m 
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