Python System Calls

Backquotes

output = `dmesg | grep hda`

os.popen

import os
cmd = "medcon -f %s" % fileName
output = os.popen(cmd)
for line in output:
    #do something with line

subprocess module (Python 2.4+)

from subprocess import *
cmd = "medcon -f %s" % fileName
output = Popen(cmd, shell=True, bufsize=512, stdout=PIPE).stdout
for line in output:
    #do something with line

The os.shutil module

Used for copying, moving, and deleting files and directories:

os.listdir(path)