测试ping小程序

#!/usr/bin/env python
import os,sys,re
import subprocess
import threading

nameList = eval(sys.argv[1])

def runCheck(file_obj):
for host in file_obj:
host = host.strip('\n')
p = subprocess.Popen(["ping -c 1 "+ host],
stdin = subprocess.PIPE,
stdout = subprocess.PIPE,
stderr = subprocess.PIPE,
shell = True)
out = p.stdout.read()
regex = re.compile("time=\d*", re.IGNORECASE | re.MULTILINE)
if len(regex.findall(out)) > 0:
print host+': Host Up!'
else:
print host+': Host Down!'

runCheck(nameList)