问将Os.system结果存储在变量中

EN

import os
from subprocess import *

def run_cmd(cmd):
        p = Popen(cmd, shell=True, stdout=PIPE)
        output = p.communicate()[0]
        return output

import socket
import fcntl
import struct

ifname='eth0'
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
address = socket.inet_ntoa(fcntl.ioctl(
                    s.fileno(),
                    0x8915,  # SIOCGIFADDR
                    struct.pack('256s', ifname[:15])
                    )[20:24])

import os
import subprocess
from subprocess import *
subprocess.call(["ifconfig","en0”])
p=subprocess.Popen(["ifconfig","en0"],stdout=subprocess.PIPE)
for line in p.stdout:
    print line