strip2

local args = {...}

-- Check if there is less than 2 arguments
if #args ~= 2 then
  print("Usage: strip <length> <amount>")
  return
end

-- Continue with the program
local length = args[1] -- the first argument passed
local amount = args[2] -- the second argument passed

-- You can do some checking here
if not tonumber(length) or tonumber(length) < 1 then
  print("length must be a positive number")
  return
end
if not tonumber(amount) or tonumber(amount) < 1 then -- Its saying there is a problem here
  print("amount must be a positive number")
  return
end

length = tonumber(length)
amount = tonumber(amount)

local function refuel()
    local fuelLevel = turtle.getFuelLevel()
    if fuelLevel == "unlimited" or fuelLevel > 0 then
        return
    end

    local function getfuel()
        if turtle.getItemCount(16) == 0  then
            turtle.select(14)
            turtle.place()
            turtle.select(16)
            turtle.suck()
            turtle.select(14)
            turtle.dig()
            turtle.select(1)
        end
        turtle.select(1)
    end

    local function tryRefuel()
        for n=1,16 do
            if turtle.getItemCount(n) > 0 then
                turtle.select(n)
                if turtle.refuel(1) then
                    turtle.select(1)
                    return true
                end
            end
        end
        turtle.select(1)
        return false
    end

    if not tryRefuel() then
        getfuel()
    end
end

local function emptyturtle()
    for s=1,12 do
        if turtle.getItemCount(s) > 0 then
            turtle.select(n)
            if turtle.getItemCount(12) > 0 then
                turtle.select(13)
                turtle.place()
                for ender1 = 1, 12 do
                    turtle.drop()
                end
                turtle.select(1)
                turtle.dig()
                turtle.transferTo(13)
                turtle.select(1)
            else
                break
            end
        end
    end
end

torch = 0
local function torched()
    if torch ==  10 then
        turtle.select(15)
        turtle.placeDown()
        turtle.select(1)
        torch = 0
    end
end

local function detectup()
    while turtle.detectUp() do
        turtle.digUp()
        sleep(0.4)
    end
end

local function strip()
    refuel()
    while not turtle.forward() do
        while not turtle.dig() do
            turtle.attack()
        end
    sleep(0.4)
    detectup()
    emptyturtle()
    end
    torch = torch + 1
end

local function otun()
    strip()
    strip()
    turtle.back()
    turtle.back()
end

local function turnaround()
    turtle.turnRight()
    strip()
    strip()
    strip()
    otun()
    turtle.turnRight()
end

for z = 1, amount do
    refuel()
    for x = 1, length do
        strip()
        torched()
    end
    refuel()
    turnaround()
    x = 0
    refuel()
    for x = 1, length do
        strip()
        torched()
    end
    turtle.turnLeft()
    strip()
    strip()
    strip()
    turtle.turnLeft()
    torch = 0
end