PYTHON

python run a system command

import os
cmd = "git --version"
returned_value = os.system(cmd)  # returns the exit code in unix

python run system command

import subprocess

def runcmd(cmd, verbose = False, *args, **kwargs):

    process = subprocess.Popen(
        cmd,
        stdout = subprocess.PIPE,
        stderr = subprocess.PIPE,
        text = True,
        shell = True
    )
    std_out, std_err = process.communicate()
    if verbose:
        print(std_out.strip(), std_err)
    pass

runcmd('echo "Hello, World!"', verbose = True)

python run system commands

import subprocess

def run_cmd(cmd, verbose=False, *args, **kwargs):
	"""
    Run system command as a subprocess
    """
    process = subprocess.Popen(cmd, 
                               stdout = subprocess.PIPE,
                               stderr = subprocess.PIPE,
                               text = True,
                               shell = True)
    std_out, std_err = process.communicate()
    if verbose:
        print(std_out.strip(), std_err)

run_cmd('echo "Hello, World!"', verbose = True)