TreeFarm

function cutTree()
    print("Cutting tree")
    turtle.dig()
    turtle.forward()
    local succes, Block = turtle.inspectUp()
    while(Block.name == "minecraft:log") do
        turtle.digUp()
        turtle.up()
        succes, Block = turtle.inspectUp()
    end
    while(turtle.detectDown() == false) do
        turtle.down()
    end
    turtle.forward()
    turtle.forward()
end


function goOver()
    turtle.up()
    turtle.forward()
    turtle.forward()
    turtle.down()
    turtle.forward()
end


function nextLaneLeft()
    turtle.turnLeft()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.turnLeft()
end


function nextLaneRight()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
end


function collum()
    for i=1, 3, 1 do
        local oke, log = turtle.inspect()
        if(log.name == "minecraft:log") then
            cutTree()
        else
            goOver()
        end
    end
end
function patrol()
    turtle.forward()
    collum()
    nextLaneLeft()
    collum()
    nextLaneRight()
    collum()
end

patrol()