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I'm writing a Python script to run several executables one by one on Windows. I need to wait a program to finish before starting the next.

So the script will be like this.

1: launch a.exe 2: wait till a.exe finishes running 3: launch b.exe 4: wait till b.exe finishes

Anyone have an idea how to make the script waiting for a process to finish in Python?

Thanks

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  • IMO You don't have to specially do anything, It just works the way you intend here. Commented Jun 8, 2016 at 4:41

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If you wish to wait for your launched process, you can simply use subprocess.call() . This method executes the command in args and waits for it to complete. For reference, see this

import subprocess subprocess.call(('someprog.exe', str(i)))
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If you want each one to complete, use subprocess.check_call to see if they were successful or not.

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