Win32 stdin redirection

lynvie lyndiechiou at
Fri Jun 12 02:15:04 EDT 2009

Thanks for the additional info! I had no idea this was an old Windows
problem... I'm using Windows XP and I'm up-to-date on all my patches.

The good news is I can invoke the script correctly now, thanks to your

On Jun 11, 4:25 pm, Tim Harig <user... at> wrote:
> On 2009-06-11, Tim Harig <user... at> wrote:
> > On 2009-06-11, lynvie <lyndiech... at> wrote:
> >> I have a very simple program from the first chapter of a book on
> >> python 3 (I'm a novice). I called the program and the data
> >> input file is sum.dat (just a list of numbers, 1 per line). When I
> >> type into my command shell " < sum.dat" I get an error from
> > What OS are you using?  I know that pipes cause issues when working with
> > interpreters on Windows.  You must call the python interpreter directly or
> > it will not be able to handle the pipe directly.  I don't remember exacly
> > how the issue manifests but I remember it has bitten me before on Win32.  I
> > don't currenlty have a Windows machine to test on.
> More info:

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