it's also possible to write to a given tty like:

##
## print output to given tty
##

$tty = $ARGV[0];

open(OUTPUT, "> /dev/$tty") || die ("can't open device: $!\n");
print OUTPUT "Hi, what's going on?\n";
close(OUTOUT);
[download]

you can get the tty from a terminal by the mighty "tty"-command.

MP