RefuelDigger

-- pastebin get 180C8NRw refuelDigger

    local function isTurtleBlock(data)
        return data and type(data.name) == "string" and data.name:match("computercraft:turtle")
    end

    RefuelDigger = {}

    function RefuelDigger.main()
        turtle.select(1)
        while turtle.getItemCount(1) > 0 do
            turtle.dropUp()
            sleep(1)
        end
        while true do
            local success, data = turtle.inspect()
            if success and isTurtleBlock(data) then
                if turtle.dig() then
                    while not turtle.dropUp() do sleep(1) end
                end
            end
            sleep(1)
        end
    end

    return RefuelDigger