Running Bash commands in Python

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Don’t use os.system. It has been deprecated in favor of subprocess. From the docs: “This module intends to replace several older modules and functions: os.system, os.spawn“.

Like in your case:

import subprocess

bashCommand = "cwm --rdf test.rdf --ntriples > test.nt"
process = subprocess.Popen(bashCommand.split(), stdout=subprocess.PIPE)
output, error = process.communicate()

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