gluon password generator

pwgen.js

(function() {
  // descriptor
  return {name: "pwgen"}
})

var charset="abcdefghijklmnopqrstuvwxyz"+
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"+
            "1234567890!@#$%^&*()_+-=[]{};':\",./<>?`~"; 

function go(msg) {
  if (msg.method == "irc.privmsg") {
    var cmd_match = /^!pwgen(\s+(\S+))?/.exec(msg.params.message)  
    if(cmd_match) {
      var len = parseInt(cmd_match[2]) || 16
      bot.say(msg.params.channel, makepass(len))
    }
  }
}

function makepass(pwlen) {
  var pw = "" 
  for (var i=0; i<pwlen; i++) {
    var random_index = parseInt(Math.random()*(charset.length))
    pw = pw + charset[random_index]
  }
  return pw
}