How to export text file using python in win7 command prompt

Question

I have a command like this ".exe abcd >c:\\filename.txt" in command prompt I run then need to press two times enter button then filename.txt getting the value but I used

os.system(".exe abcd >c:\filename.txt")

then file becomes empty how to resolve this issue using python

Answer 1

Use the subprocess module to create the process. Use the arguments of call to specify the standard input, output and error streams.

Example:

with open('somefile.txt','w') as f:
    subprocess.call(["command.exe", "abcd"], stdout=f)