Turtle Logging Script

local Num1 = 6

function empty ()
        turtle.turnRight()
            turtle.select(1)
            turtle.suck()
            turtle.select(2)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(3)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(4)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(5)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(6)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(7)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(8)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(9)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(10)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(11)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(12)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(13)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(14)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(15)
            if turtle.compareTo(1) then
            turtle.drop()
            end
            turtle.select(16)
            if turtle.compareTo(1) then
            turtle.drop()
            end
        turtle.turnLeft()
        turtle.turnLeft()
            turtle.select(2)
            turtle.drop()
            turtle.select(3)
            turtle.drop()
            turtle.select(4)
            turtle.drop()
            turtle.select(5)
            turtle.drop()
            turtle.select(6)
            turtle.drop()
            turtle.select(7)
            turtle.drop()
            turtle.select(8)
            turtle.drop()
            turtle.select(9)
            turtle.drop()
            turtle.select(10)
            turtle.drop()
            turtle.select(11)
            turtle.drop()
            turtle.select(12)
            turtle.drop()
            turtle.select(13)
            turtle.drop()
            turtle.select(14)
            turtle.drop()
            turtle.select(15)
            turtle.drop()
            turtle.select(16)
            turtle.drop()
        turtle.select(1)
end

function plantLeft()
    for i=1,2 do
        turtle.forward ()
    end
    turtle.turnLeft()
    turtle.forward()
    turtle.place()
    turtle.back()
    turtle.turnRight()
end

function plantRight()
    turtle.turnRight()
    turtle.forward()
    turtle.place()
    turtle.back()
    turtle.turnLeft()
end

function planter ()
    for i=1,Num1 do
        plantLeft ()
        plantRight ()
    end
end

function cutting()
    turtle.select(1)
    if not turtle.compare() then
        turtle.dig()
        turtle.forward()
        while turtle.detectUp() do
            turtle.digUp()
            turtle.up()
        end
        while not turtle.detectDown() do
            turtle.down()
        end
        turtle.back()
    end
end

function loggLeft()
    turtle.turnLeft()
    turtle.forward()
    cutting()
    turtle.back()
    turtle.turnRight()
end

function loggRight()
    turtle.turnRight()
    turtle.forward()
    cutting()
    turtle.back()
    turtle.turnLeft()
end

function logger()
    for i=1,Num1 do
        loggLeft()
        loggRight()
        for i=1,2 do
            turtle.forward ()
        end
    end

end

while true do
    planter()
    turtle.turnLeft()
    turtle.turnLeft()
    os.sleep(120)
    logger()
    empty()
    turtle.turnLeft()
end