python code执行shell代码cd ..p1=subprocess.Popen('/bin/bash',std

python code执行shell代码
及返回捕捉

import subprocess
cmd='''
pwd
cd ..
pwd
'''

p1=subprocess.Popen('/bin/bash',stdin=subprocess.PIPE, stdout=subprocess.PIPE)
out,err=p1.communicate(cmd.encode('utf-8'))
print out.decode('utf-8')

import subprocess

cmd='date'
out = subprocess.check_output(cmd,shell=True)
outd = out.decode()
while(outd.find('59')<0):
	out = subprocess.check_output(cmd,shell=True)
	print(out)
	outd = out.decode()

print('out')
if(outd.find('59')>=0) :
	print('yes')
else:
	print('no')