[Tutor] Replacing keyboard input to EXE file

[eShopping]

At 13:26 11/06/2009, you wrote:
>eShopping wrote:
>>import subprocess
>>x = subprocess.Popen(args="poly.exe",stdin=subprocess.PIPE)
>>for item in ["polyin.dat", "polyout.dat", "polyout.plt"]:
>>     x.stdin.write('%s\n' % item)
>>but got the same error message
>
>Above code would seem to be correct.
>
>Are you sure the Fortran program accepts the names?
>One easy way to test this is to try
>
>C:\> poly.exe < poly_files.txt
>
>in a CMD program (or COMMAND or whatever the console program is 
>called nowadays at Win* systems).

Tried piping the input as suggested but POLY ignores the pipe and 
just asks me for the names of the files as if we were in interactive mode.