python run bash command and get output code example

Example 1: run linux command using python

import subprocess
subprocess.call("command1")
subprocess.call(["command1", "arg1", "arg2"])

Example 2: python execute shell command and get output

import subprocess
process = subprocess.Popen(['echo', 'More output'],
                     stdout=subprocess.PIPE, 
                     stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
stdout, stderr

Example 3: python run command and read output

>>> subprocess.check_output(['ls', '-l'])
b'total 0\n-rw-r--r--  1 memyself  staff  0 Mar 14 11:04 files\n'

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