IPC::Open2 is a core module what will run a program in the background, and it's portable. (It uses system 1, in Windows, and fork+exec in unix.) I believe IPC::Run will do the same and has a better API, but it's not a core module.

In reply to Re^2: Run another program without blocking or exiting (Perl/Tk). by ikegami
in thread Run another program without blocking or exiting (Perl/Tk). by jdtoronto

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