Can you explain why you have two MainLoop calls?

Oops, it was a typo, as I tried to setup the sample script. In your case, since the main script was not a Tk app itself, it wasn't needed. The important line in the example is CORE::exit, as explained in the Caveat to perldoc Tk::exit

I updated the example a bit, to show that if you are forking from an existing Tk GUI, the forks must be done first. Otherwise Tk just hangs.

I'm not really a human, but I play one on earth.
Old Perl Programmer Haiku ................... flash japh

In reply to Re^3: backgrounding a Tk process by zentara
in thread backgrounding a Tk process by mpersico

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