Subprocess output iteration

subiterate.py

import subprocess
 
p = subprocess.Popen(['ping', '-c', '10', 'google.com'], stdout=subprocess.PIPE)
 
print 'Started.'
use_iterator = False
if use_iterator:
    # This is buffered, so waits for several pings.
    for line in p.stdout:
        print line,
else:
    # Reads lines immediately.
    for line in iter(p.stdout.readline, ''):
        print line,
p.wait()
print 'Finished.'