AdvancedMine

local function selectTorch()
    for slot = 1, 16 do
        local item = turtle.getItemDetail(slot)
        if item and item.name == "minecraft:torch" then
            turtle.select(slot)
            return true
        end
    end
    return false
end

local function placeTorch()
    if selectTorch() then
        turtle.placeUp()
    end
end

local function mineForward()
    turtle.dig()
    turtle.forward()
    turtle.digUp()
end

local function stripMine(length)
    for i = 1, length do
        mineForward()
        if i % 5 == 0 then
            turtle.turnLeft()
            turtle.turnLeft()
            placeTorch()
            turtle.turnRight()
            turtle.turnRight()
        end
    end
end

local function main()
    print("Enter the length of the strip mine:")
    local length = tonumber(io.read())
    stripMine(length)
    print("Mining complete!")
end

main()