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#!/usr/bin/python
## get subprocess module 
import subprocess
 
## call date command ##
p = subprocess.Popen("date", stdout=subprocess.PIPE, shell=True)
 
## Talk with date command i.e. read data from stdout and stderr. Store this info in tuple 
## Interact with process: Send data to stdin. Read data from stdout and stderr, 
## until end-of-file is reached.Wait for process to terminate. The optional input 
## argument should be a string to be sent to the child process, or None, 
## if no data should be sent to the child. ##
(output, err) = p.communicate()
 
## Wait for date to terminate. Get return returncode ##
p_status = p.wait()
print "Command output : ", output
print "Command exit status/return code : ", p_status

 

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关键词：shell