Python Error from Apress book
gagsl-py2 at yahoo.com.ar
Wed Jul 8 00:50:57 CEST 2009
En Tue, 07 Jul 2009 09:55:13 -0300, Dave Angel <davea at ieee.org> escribió:
> Gabriel Genellina wrote:
>> En Mon, 06 Jul 2009 19:56:40 -0300, matt0177 <matt0177 at gmail.com>
>>> When I try to run the command as outlined in
>>> the book "simple_markup2.py < test_input.txt > test_output.html i get
>>> following error every time.
>>> IOError: [Errno 9] Bad file descriptor
>> That's a Windows problem. When you execute the script as itself (either
>> as you do in the command line, or by double-clicking on it), it doesn't
>> have valid standard handles.
>> You have to invoke Python explicitely:
>> python simple_markup2.py < test_input.txt > test_output.html
>> (you may need to specify the full path to python.exe, or add the
>> directory where Python is installed to your system PATH).
> I use stdout this way all the time, with no problem (python 2.6, Windows
> XP). But as you point out, stdin redirection doesn't seem to work using
> the file associations. I do get a different error though. When I look
> at sys.stdin, it shows an open file, with handle of zero, as expected.
> But when I do a raw_input(), it gets:
> EOFError: EOF when reading a line
I think the error depends on the specific OS version/service pack. But at
least on XP this appears to fix it:
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