Monitoring the output of an external program

[Calvin Spealman]

I always recommend the subprocess module for any needs like this.  
Read up on it and it should provide everything you need.

On Dec 13, 2007, at 2:41 AM, Caleb Marcus wrote:

> I'm writing something that has to invoke an external program, and  
> every time the external program prints something, update a UI. How  
> would I go about doing this?
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