Is it possible to communicate in loop fashion?
====================================
import subprocess as s
proc = s.Popen('cmd.exe', stdin=s.PIPE, stdout=s.PIPE)
while 1:
cmd = raw_input('cmd:')
res = proc.communicate(cmd + '\n')[0]
print res
====================================
cmd:dir c:
< res >
cmd:dir d:
Traceback (most recent call last):
File "D:\Python25\my_subprocess.pipe.py", line 11, in <module>
res = proc.communicate(cmd + '\n')[0]
File "D:\Python25\lib\subprocess.py", line 651, in communicate
return self._communicate(input)
File "D:\Python25\lib\subprocess.py", line 862, in _communicate
self.stdin.write(input)
ValueError: I/O operation on closed file
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