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From: "Prasad, Ramit" <ramit.prasad@jpmorgan.com>
To: "python-list@python.org" <python-list@python.org>
Subject: RE: how to interact with Windows cmd?
Thread-Topic: how to interact with Windows cmd?
Thread-Index: AQHNWlxlVXKHd4fSJE2Cp+X1uF0uBJcjIUUQ
Date: Tue, 10 Jul 2012 22:29:29 +0000
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Xref: csiph.com comp.lang.python:25159

> what I want to do is=0D=0A> 1=2Eopen cmd=0D=0A> 2=2Ewaiting for user's ty=
ping=0D=0A> 3=2Ewhen I type "dir"=0D=0A> 4=2Eprint the result of "dir"=0D=
=0A> 5=2Ethen I type some other commands, printing the result until I type=
=0D=0A> 'exit'=0D=0A> =0D=0A> I used=0D=0A> p=3Dsubprocess=2EPopen('cmd',st=
din=3Dsubprocess=2EPIPE,stdout=3Dsubprocess=2EPIPE,stderr=3Ds=0D=0A> ubproc=
ess=2EPIPE,shell=3DTrue)=0D=0A> p=3Dcommunicate('dir')=0D=0A> =0D=0A> it sh=
ows the first result but the problem is=0D=0A> 1=2E it's too long so the cm=
d split the result with "more?", so result=0D=0A> is not perfect=0D=0A> 2=
=2E after this, I typed like "cd =2E=2E" but I/O is already closed so I=0D=
=0A> can't do another things=2E=2E=0D=0A> =0D=0A> Is there any good way?=0D=
=0A=0D=0ANot much experience with subprocess, but from what I have read=0D=
=0Aon here shell=3DTrue is usually bad=2E If you are trying to use =0D=0APy=
thon as a sort of bash replacement, you may want to take a =0D=0Alook at iP=
ython http://en=2Ewikipedia=2Eorg/wiki/Ipython=2E =0D=0A=0D=0ANot Apple rel=
ated!=0D=0A=0D=0ARamit=0D=0A=0D=0A=0D=0ARamit Prasad | JPMorgan Chase Inves=
tment Bank | Currencies Technology=0D=0A712 Main Street | Houston, TX 77002=
=0D=0Awork phone: 713 - 216 - 5423=0D=0A=0D=0A--=0D=0A=0D=0AThis email is c=
onfidential and subject to important disclaimers and=0D=0Aconditions includ=
ing on offers for the purchase or sale of=0D=0Asecurities, accuracy and com=
pleteness of information, viruses,=0D=0Aconfidentiality, legal privilege, a=
nd legal entity disclaimers,=0D=0Aavailable at http://www=2Ejpmorgan=2Ecom/=
pages/disclosures/email=2E