python call linux cmd

history

old version use

result = commands.getstatusoutput('ls -l')
print result

now use subprocess32

install

sudo apt-get install python-dev
pip install subprocess32

use

#!/usr/bin/env python

import subprocess32 as subprocess;

proc = subprocess.Popen(['grep', '86b45e8625ce', 'arns_file'], stdout=subprocess.PIPE);
result = proc.stdout.read();
print result;