Quick and simple Ruby shell script to get some info from Wikipedia from the terminal.
> wiki frog
A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (Anchient Greek an-, without
> wiki cheese computer
Cheese is a food derived from milk that is produced in a wide range of flavors, textures, and forms by coagulation of the milk protein casein. It comprises
A computer is a device that can be instructed to carry out arbitrary sequences of arithmetic or logical operations automatically. The ability of computers
Uses the Wikipedia search API, so you don't need exact article names.