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Ah! That's what the OP meant. Unfortunately, there's a bug in your formula.

It displays the first $msg_time messages for $num_msgs seconds.
It should display the $num_msgs messages for $msg_time seconds.

Fixed:

my @message = ( "Message 1", "Message 2", "Message 3", "Message 4", "Message 5", "Message 6", "Message 7", "Message 8", "Message 9", "Message 10", ); my $msg_time = 5; print $message[ time / $msg_time % @message ], "\n";

In reply to Re^2: display stuff based on systemclock by ikegami
in thread display stuff based on systemclock by Wire64

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