Here is a script that can be used to produce real time sequencing. Be sure to modify the first line to reflect the location of PERL on your machine.
#!/usr/local/bin/perl
print $ENV{'SERVER_PROTOCOL'}, " 200 OK \n";
print $ENV{'SERVER_SOFTWARE'}, "\n";
print "Content-type: text/plain \n\n";
print "Countdown \n";
for ($countdown = 10; $countdown > 0; $countdown--) {
print $countdown, "\n";
sleep (1);
}
print "Liftoff!\n";
exit(0);