BrowserUK has answered your question, but I'll mention an alternative idea. It's pretty inefficient to shell out and then re-exec perl. Maybe it's possible to make abc.pl a module, then fork your process and call that module from perl?

In reply to Re: system() - launch a program and return without waiting in Windows by geekphilosopher
in thread system() - launch a program and return without waiting in Windows by holandes777

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