log

local res = {}
local slot = 15
local h=0




function res.mineTree()
    if analyse(0) then
        turtle.dig()
        needR()
        turtle.forward()
        digUp()
        goDown()
        return true
    end
    return false

end

function needR()
    if turtle.getFuelLevel()==0 then
        while not turtle.refuel(1) do
            turtle.select(turtle.getSelectedSlot()+1%15)
        end
    end

end


function digUp()
    while analyse(1) do
        turtle.digUp()
        needR()
        turtle.up()
        h = h+1
    end
end

function goDown()
    for i=0,h do
        needR()
        turtle.down()
    end
end

function analyse(w)
    if w == 0 then
       t, tuple = turtle.inspect()
    else
       t, tuple = turtle.inspectUp()
    end
    if t then
       name  = tuple['name']
          if string.find(name, 'log') then
             return true
          end
    end
    return false
end

--t.mineTree()
return res