XpTurtle

--wrapping peripheral
xp = peripheral.wrap("left")
xp.setAutoCollect(true)

--display level and return value
local function displvl(x,y)
lvl = xp.getLevels()
term.setCursorPos(x,y)
term.write("                           ")
term.setCursorPos(x,y)
print("Current level is:" .. lvl)
if lvl > 29 then
return true
else return false
end
end

--make the book
local function enchant()
turtle.select(1)
xp.enchant(30)
turtle.drop()
shell.run("redpulse top")
end

--get the slot number that books are in
local function findbooks()
if turtle.getItemCount(2) > 0 then return 2
elseif turtle.getItemCount(3) > 0 then return 3
elseif turtle.getItemCount(4) > 0 then return 4
elseif turtle.getItemCount(5) > 0 then return 5
elseif turtle.getItemCount(6) > 0 then return 6
elseif turtle.getItemCount(7) > 0 then return 7
elseif turtle.getItemCount(8) > 0 then return 8
elseif turtle.getItemCount(9) > 0 then return 9
elseif turtle.getItemCount(10) > 0 then return 10
elseif turtle.getItemCount(11) > 0 then return 11
elseif turtle.getItemCount(12) > 0 then return 12
elseif turtle.getItemCount(13) > 0 then return 13
elseif turtle.getItemCount(14) > 0 then return 14
elseif turtle.getItemCount(15) > 0 then return 15
elseif turtle.getItemCount(16) > 0 then return 16
elseif turtle.getItemCount(16) == 0 then print("no books") return false
end
end

--check for books in inventory, and place 1 in first slot
local function bookcheck()
if turtle.getItemCount(1) == 0 then
turtle.select(findbooks())
turtle.transferTo(1,1)
end
end

--print usage information
local function startup()
term.clear()
term.setCursorPos(1,1)
print("Put books in slots 2-16")
sleep(5)
term.clear()
term.setCursorPos(1,1)
end

-- runtime
startup()
while true do
bookcheck()
if displvl(1,1) == true then
enchant()
else displvl(1,1)
end
sleep(3)
end