In article
<ca+rwobwjyy_abjijnxepkseraeom608uimywffgag-6xdgs...@mail.gmail.com>,
Torgil Svensson <torgil.svens...@gmail.com> wrote:
> Try the fromiter function, that will allow you to pass an iterator
> which can read the file line by line and not preload the whole file.
>
> file_iterator = iter(open('filename.txt')
> line_parser = lambda x: map(float,x.split('\t'))
> a=np.fromiter(itertools.imap(line_parser,file_iterator),dtype=float)
>
> You have also the option to iterate the file twice and pass the
> "count" argument.
Thanks. That sounds great!
-- RUssell
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