If your requirement is Windows only, using the Win32::Job module (a thin wrapper around Win32 Job objects) may make your code simpler and easier to understand.

In Win32::Job spawn() method you can control stdin/stdout/stderr, while its run() method provides a simple way to run programs with a time limit. Another useful feature is that killing a job kills that process and all sub-processes spawned by it (similar to Unix process groups).

Sample code can be found at Re: Timing Windows commands.

In reply to Re: Run and kill external programm after x seconds by eyepopslikeamosquito
in thread Run and kill external programm after x seconds by demichi

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