You can go to specified (x,y) positions, clear the screen, and output
colors by using modules from CPAN. Under Windows, you can do this by
installing the Win32::Console::ANSI, Term::ANSIColor, and
Term::ANSIScreen modules. For more information about these modules, check out

http://search.cpan.org/~jlmorel/Win32-Console-ANSI-0.04/ANSI.pm

To learn more about CPAN and how to install modules, check out http://www.cpan.org/

Teaching.Perl