bukkit script ver 0.6.5 beta

#!/bin/bash

#########################################################
#                                                       #
# Filename: bukkit                                      #
# Version 0.6.5 beta                                    #
# Date: 6/6/2012                                        #
#                                                       #
# Author: Michael J. Ford aka FinlStrm                  #
#                                                       #
#########################################################
#                                                       #
# Script to control basic functions of my craftbukkit   #
# Minecraft Server                                      #
#                                                       #
#########################################################
#                                                       #
# Changelog:                                            #
#                                                       #
# 6/6/12: ver: 0.6.5                                    #
# Added some variables for future realease, as well as  #
# current. Modified start function.                     #
#                                                       #
# 6/6/12: ver: 0.6.1                                    #
# Merged several script files into this one long file   #
# for easier management.                                #
#                                                       #
#########################################################

# Options of Script #
# start:    Starts Server
# stop:     Stops Server
# backup:   Forces Backup
# restart:  Forces Restart
# screen:   Attached to Screen Session
#           of Server
# command:  Future feature

# Server Variabes
backupdir=$HOME/MC_Backup
bukkitdir=$HOME/minecraft

backupmsg="You's gots a very very nice server there, you wouldn't what to lose all that data would ya. Those world files you got, back dat stuffs up!! ya hear!!"

dateformat=$(date '+%Y%m%dh%Hm%M')

javaparams="-server -Xincgc -Xmx512M -jar"

# Functions #
# Start bukkit server
startserver() {
    if [ "$(screen -ls | grep bukkit)" == "" ] ; then
        cd $bukkitdir
        screen -S bukkit -d -m java $javaparams craftbukkit.jar nogui
        echo " Starting bukkit server................ "
        sleep 60
        echo " Welcome to Bukkit........... "
        sleep 2
        echo " Bukkit server now running....... Happy Crafting :) "
    else
        echo " Bukkit Server is Already Running....... "
        exit 0
    fi
}

# Stop bukkit server
stopserver() {
    if [ "$(screen -ls | grep bukkit)" == "" ] ; then
        echo " Bukkit server is not running...... "
        exit 0
    else
        echo " Stopping Bukkit Server....... "
        screen -S bukkit -p 0 -X stuff "save-all$(echo -ne '\r')"
        sleep 5
        screen -S bukkit -p 0 -X stuff "stop$(echo -ne '\r')"
        sleep 5
        echo " Bukkit Stopped...... "
    fi
}

# Bukkit Backup
# backupserver() {
#
#}

# Restart Server
restartserver(){
    if [ "$(screen -ls | grep bukkit)" == "" ] ; then
        echo " You can't restart a server that isn't running silly..... "
        exit 0
    else
        echo " Bukkit Server Restart...... "
        stopserver
        sleep 5
        startserver
    fi
}

# Attach to Screen
attachscreen() {
    echo " Attaching to Craftbukkit Screen Session...... "
    sleep 2
    screen -r bukkit
}

#####
# Script Arguments
#####

case $1 in
    start)
        startserver
        ;;
    stop)
        stopserver
        ;;
    backup)
        echo " Backup not yet implemented "
#       backupserver
        ;;
    restart)
        restartserver
        ;;
    screen)
        attachscreen
        ;;
    *)
        echo " Useage: bukkit {start|stop|backup|restart|screen} "
        exit 0
esac