coffeescript irc (telnet) sample

irc.coffee

net = require 'net'

host = 'irc.run.net'
port = 6660
pingRegExp = RegExp("^PING : #{host}\r\n$")

sendMsg = (socket, data) ->
    socket.write(data + '\r\n')

matchPing = (data) ->
	match = pingRegExp.test(data)
	return match

connection = net.createConnection port, host

connection.on 'connect', () ->
	console.log "Opened connection to #{host}:#{port}."

sendMsg connection, 'NICK kupp[test]'
sendMsg connection, 'USER test test test :test test'

stdin = process.stdin
stdin.setEncoding 'utf8'

connection.on 'data', (data) ->
  message = "#{data}"
  console.log message
  if matchPing message
    sendMsg connection, 'PONG :' + host

  stdin = process.openStdin()

stdin.on 'data', (data) ->
    sendMsg connection, data

connection.on 'end', (data) ->
    console.log 'Connection closed'
    process.exit()