CGI/examples/nph-clock.cgi

#!/usr/local/bin/perl -w

use CGI::Push qw(:standard :html3);

do_push(-next_page=>\&draw_time,-delay=>1);

sub draw_time {
    my $time = localtime();
    return start_html('Tick Tock'),
           div({-align=>CENTER},
           h1('Virtual Clock'),
           h2($time)
           ),
       hr,
       a({-href=>'index.html'},'More examples'),
           end_html();
}