PathFollower

local dig = turtle.dig
local turnRight = turtle.turnRight
local turnLeft = turtle.turnLeft
local up = turtle.up
local down = turtle.down
local digUp = turtle.digUp
local forward = turtle.forward

local BLOCKS_TO_SEARCH_FOR = {
    "minecraft:iron_ore",
    "minecraft:gold_ore",
    "minecraft:diamond_ore",
    "mysticalagriculture:inferium_ore",
    "thermal:niter_ore",
    "minecraft:dirt"
}

local function IsBlockOnList()
    local detect, data = turtle.inspect()

    if detect then
        for _,blockName in pairs(BLOCKS_TO_SEARCH_FOR) do
            if blockName == data.name then
                print("Found", data.name)
                return data.name
            end
        end
    end
end

local function LookAround()
    for i = 1,4 do
        turnRight()
        if IsBlockOnList() then
            dig()
            return true
        end
    end
end

while true do
    local found = LookAround()

    print(found)

    if found then
        dig()
    end

    forward()
end