从Python运行Shell脚本，如子进程

import subprocess

def runCommand(comm):
	'''
	Using the subprocess library this runs the command passed 
	'''
	proc = subprocess.Popen(comm.split(), stdout=subprocess.PIPE)
	outputstr = ''
	for line in proc.stdout.readlines():
		    outputstr+=line.rstrip()+"\n"
			
	return outputstr[:-1]