Useless IRC bot

ircbot.go

package main

import (
	"fmt"
	"net/textproto"
	"regexp"
)

var (
	ping = regexp.MustCompile("^PING :([a-zA-Z0-9\\.]+)$")
	motd = regexp.MustCompile(":End of /MOTD command\\.$")
)

func main() {
	c, err := textproto.Dial("tcp", "chat.freenode.net:6667")
	if err != nil {
		fmt.Printf("%s", err)
		return
	}

        defer c.Close()

	c.Cmd("NICK KaiBot\n\rUSER kaibot 8 * :KaiBot")

	for {
		text, err := c.ReadLine()
		if err != nil {
			fmt.Printf("%s", err)
			return
		}

		fmt.Println(text)

		if match := ping.FindStringSubmatch(text); match != nil {
			c.Cmd("PONG :" + match[1])
			fmt.Printf("PONG :%s\n", match[1])
		}

		if match := motd.FindString(text); match != "" {
			c.Cmd("JOIN #KaiBot")
			fmt.Println("JOIN #KaiBot")
		}
	}
}