I use wxPython, which allows a statement like:

        wx.Execute('c:\shake91.exe "FLAC.txt" "a.txt" "b.txt"')


From: Armstrong, Richard J. 
Sent: Wednesday, March 10, 2010 4:51 PM
To: Wayne Werner 
Cc: tutor@python.org 
Subject: Re: [Tutor] Running a dos program with python


 

 

From: sri...@gmail.com [mailto:sri...@gmail.com] On Behalf Of Wayne Werner
Sent: Wednesday, March 10, 2010 2:24 PM
To: Armstrong, Richard J.
Cc: tutor@python.org
Subject: Re: [Tutor] Running a dos program with python

 

On Wed, Mar 10, 2010 at 3:20 PM, Armstrong, Richard J. <rarms...@water.ca.gov> 
wrote:

Hello all,

 

This is my first post to the Tutor@python.org mailing list. I am in the process 
of switching from Matlab to Python and there is one task that I am having a 
hard time doing and cannot find the answer on the web. I want to write a script 
in python that will open up a windows dos program, send three inputs (file 
names) into program and then run it. I know one way to open up the dos program 
with os.system(r"c:\shake91.txt") but cannot do the rest.

 

Use the subprocess module:

http://docs.python.org/library/subprocess.html

 

untested, but should work:

 

subprocess.Popen([r'c:\shake91.txt', 'param1', 'paramN-1', 'paramN'])

 

if you want to communicate with the process you can add , 
stdout=subprocess.PIPE, stdin=subprocess.PIPE) to the function call.

 

Check the docs for more info.

HTH,

Wayne

 

Wayne,

 

It kindof works. I wrote 

 

subprocess.Popen([r'c:\shake91.exe', 'FLAC.txt', 'a.txt', 'b.txt'])

 

The dos program pops up and if I hit the enter key three times then it runs. 
How can I add these three "enters" into the script? 

 

Thanks,

 

Richie



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