leet.js

#!/usr/bin/env node
var a=process.argv;var l={'A':'4','E':'3','G':'6','I':'1','L':'1','O':'0','S':'5','T':'7','Z':'2'};if(a.length>2){for(var i=2;i<a.length;i++){for(var key in l){if(l.hasOwnProperty(key)){a[i]=a[i].replace(new RegExp(key,'ig'),l[key]);}}console.log(a[i]);}}