in reply to Re^2: A timer in Tcl/Tk in Perl::Tk
in thread A timer in Tcl/Tk in Perl::Tk

https://metacpan.org/search?q=dist%3ATk&q=timer -> Tk::after - Execute a command after a time delay

http://search.cpan.org/grep?cpanid=SREZIC&release=Tk-804.030&string=timer&i=1&n=1&C=0

https://metacpan.org/source/SREZIC/Tk-804.030/demos/timer