Question

I have a small shell script in a string inside my python file.
Now I’d like to run this script via subprocess.call() and I wonder what’s the best way.

My first thought was to write the script to a StringIO and specify that via stdin=... but unfortunately you cannot specify a StringIO since it doesn’t have a fileno() method.

Of course I could use stdin=subprocess.PIPE and then write to it using subprocess.communicate() but I wonder if there’s a simpler method.

Answer 1

import subprocess

script = """
for x in 1 2 3 ; do echo $x ; sleep 1 ; done
"""

subprocess.call(['sh', '-c', script])