I pretty much agree with BrowserUk, threads are simple and uncomplicated for doing your task. Tk with threads presents a bit of a roadblock, because the thread needs to be created before the Tk code is called, but it is easily done. The only thing not mentioned, is if you need feedback from/to the process as it runs. If so, threads are a good choice, BUT if you are just launching the process and letting it go off on it's own, a simple fork-and-exec may be cleaner.
I'm not really a human, but I play one on earth. Cogito ergo sum a bum

In reply to Re: Do I need threading for my GUI? by zentara
in thread Do I need threading for my GUI? by tamaguchi

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