Calling a non python program from python?

Question

I am currently struggling to call a non python program from a python script.

I have a ~1000 files that when passed through this C++ program will generate ~1000 outpu

Answer 1

You can use subprocess for that purpose:

import os
import subprocess

cwd = os.getcwd()

for i in os.listdir(cwd):
    if i.endswith('.ttp'):
        o = i + "-out"
        p = subprocess.call(["program_name", "-input", i, "-output", o])