Original from http://pastebin.com/1impn38x# http://pastebin.com/u/MajorVictory Enchanting Turtle

startup.lua

  

    -- number of seconds before rebooting the machine, use -1 to disable
    local timeToReboot = 300
     
    --time in seconds between updates
    local sleepTime = 1
     
     -- what level to enchant items at
    local enchantAtLevel = 30
     
    t = peripheral.wrap("right")
    t.setAutoCollect(true)
     
    -- enchant the book in slot one and drop it into the chest underneath the turtle
    function enchantItem(nLvl)
            if t.enchant(nLvl) then
                    turtle.dropDown()
            else
                    term.setCursorPos(3,2)
                    io.write("Unable to enchant item")
            end
    end
     
    function findBook()
            if turtle.getItemCount(16)>=1 then
                    turtle.select(16)
                    turtle.transferTo(1,1)
                    turtle.select(1)
                    return true
            else
                    return false
            end
    end
     
    -- Look for items to enchant in slots 2 through 15
    -- if there are none it looks for books in slot 16
    function getItems()
     
            if turtle.getItemCount(1) > 0 then
                    turtle.select(1)
                    return true
            end
     
            for i=2,15 do
                    if turtle.getItemCount(i)>0 then
                            turtle.select(i)
                            turtle.transferTo(1,1)
                            turtle.select(1)
                            return true
                    end
            end
     
            if findBook() then
                    return true
            else
                    return false
            end
    end
     
    local seconds = 0
     
    function SecondsToClock(sSeconds)
            local nSeconds = tonumber(sSeconds)
            if nSeconds == 0 then
                    return "00:00:00";
            else
                    nHours = string.format("%02d", math.floor(nSeconds/3600));
                    nMins = string.format("%02d", math.floor(nSeconds/60 - (nHours*60)));
                    nSecs = string.format("%02d", math.floor(nSeconds - nHours*3600 - nMins *60));
                    return nHours..":"..nMins..":"..nSecs
            end
    end
     
    local w,h = term.getSize()
     
    function printStatus()
            term.clear()
            term.setCursorPos(1,1)
            term.write(string.format("Current Level: %s/%s", t.getLevels(), enchantAtLevel))
     
            local clockTime = "Time: "..SecondsToClock(seconds)
            term.setCursorPos(w - #clockTime+1, 1)
            term.setBackgroundColor(colors.white)
            term.setTextColor(colors.black)
            term.write(clockTime)
     
            if timeToReboot > 0 then
                    local rebootDisplay = "Reboot in: "..string.format("%d",(timeToReboot - seconds))
                    term.setCursorPos(w - #rebootDisplay+1, 2)
                    term.write(rebootDisplay)
            end
     
     
            term.setBackgroundColor(colors.black)
            term.setTextColor(colors.white)
     
            if not getItems() then
                    term.setCursorPos(2,2)
                    term.write("Nothing to enchant")
            else
                    term.setCursorPos(2,2)
                    term.write("Waiting to enchant")
            end
    end
     
    local isRunning = true
    local reboot = false
     
    while isRunning do
            printStatus()
     
            if t.getLevels() >= enchantAtLevel then
                    if getItems() then
                            enchantItem(enchantAtLevel)
                    end
            else
                    if timeToReboot > 0 and seconds >= timeToReboot then
                            term.clear()
                            term.setCursorPos(1,1)
                            term.write("Rebooting...")
                            reboot = true
                            isRunning = false
                            sleep(2)
                    else
                            sleep(sleepTime)
                            seconds = seconds + sleepTime
                    end
            end
    end
     
    if reboot then os.reboot() end