Ro: This is one of those gems that you don't come across very often. When you do find it, you're immediately enamored with it, your heart flutters, and a single tear rolls down your cheek. You find yourself pumping your fists in a fit of joy, and you cannot believe your good fortune. Atheists beware, because you might find yourself seriously considering switching teams.
Don Libes, creator of cgi.tcl made expect, and this script is a part of the expect distribution. It allows you to run a process
http://expect.nist.gov/example/dislocat.man.html
Functional competitors: VNC; old-time screen [describe]; ...