You could maybe use threads...you might have to deduct some constant from your sleep time to account for the extra 'startup' though. 
foreach(1..$number_of_iterations) {
    my $t = threads->new(\&action);
    sleep $whatever;
    $t->join();
}

[download]
Cheers.

In reply to Re: Accurately timed reccuring events by benn
in thread Accurately timed reccuring events by nothingmuch

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