JustChop

height = 0
function chop()
    turtle.dig()
    turtle.forward()
    while turtle.digUp() do
        turtle.dig()
        turtle.up()
        height = height + 1
    end
    turtle.dig()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    for x=1, height do
        turtle.dig()
        turtle.digDown()
        turtle.down()
    end
    turtle.dig()
    print("This tree was ".. height .." blocks tall!")
end

chop()