zec is a client for Empire (http://www.wolfpackempire.com/), a real time, multiplayer, internet-based game, featuring military, diplomatic, and economic goals.
Currently there are two incarnations of zec: zec, and zecsh.
zec itself is a traditional script in the style of pei. While it is not as full-featured as pei, it does have the advantage of ZLE support.
zecsh is an experimental script, intended to be sourced from a running shell instance, in order to give the user the ability to intersperse normal shell constructs with Empire commands.
At this time, zecsh is considerably less stable than zec.