miner toch

--pastebin run RLLE5i43

local traveled = 0

io.write("How far bigman ")

local taskdist = tonumber(io.read())

local startfuel = turtle.getFuelLevel()

turtle.up()

local continueforward = true

local torchdistcount = 0

while ((traveled < taskdist) and continueforward) do

    turtle.dig()
    turtle.digUp()
    turtle.digDown()

    torchdistcount = torchdistcount + 1
    if (torchdistcount == 8) then
        turtle.placeDown()
        torchdistcount = 0
    end

    turtle.forward()

    local currentfuel = turtle.getFuelLevel()

    if (currentfuel < startfuel/2) then
        continueforward = false
    end

    traveled = traveled + 1

    local i = 0
    while (i < 15) do
        if (turtle.getItemDetail(i+1)) then
            local item = turtle.getItemDetail(i+1)
            if (not (item == nil)) then
                if (item["name"] == "minecraft:cobblestone") then
                    turtle.select(i+1)
                    turtle.dropDown()
                    turtle.select(1)
                end
            end
        end
        i = i + 1

    end
end

local backtraveled = 0

turtle.turnLeft()
turtle.turnLeft()

while (backtraveled < traveled) do
    turtle.forward()
    backtraveled = backtraveled + 1
end

turtle.turnLeft()
turtle.turnLeft()
turtle.down()

os.reboot()