StripMine 0.2

--StripMine Nuaoa 0.1
local targs = { ... }
local width = 1
local t = 16 --TorchSlot
local tl = 10 -- Torch Length
function fuelcheck()
    for i=1,16 do
        if turtle.getFuelLevel() > 80 then
            break
        end
        turtle.select(i)
        turtle.refuel(1)
    end
end

function torchplace()
    turtle.select(t)
    turtle.digDown()
    return turtle.placeDown()
end

function tunnel(len,bool)
    for i =1,len do
        fuelcheck()
        while turtle.detect() do
            turtle.dig()
            sleep(0.4)
        end
        while turtle.detectDown() do
            turtle.digDown()
            sleep(0.4)
        end

        if ( i%tl == 0 or i==1 or i==len) and bool then
            if not torchplace() then
                error("No Torches Left")
            end
        end
        turtle.forward()
    end
end
function scanAndDrop()
    for i =1,14 do
        turtle.select(i)
        if turtle.compareTo(15) then
            turtle.drop()
        end
    end
end

if targs[2] ~= nil then
    width = targs[2]
end
local right = false
for j=1,width do
    if j%8 == 0 or j==1 or j==width then
        tunnel(targs[1],true)
    else
        tunnel(targs[1],false)
    end
    if right then
        turtle.turnRight()
        tunnel(1,false)
        turtle.turnRight()
    else
        turtle.turnLeft()
        tunnel(1,false)
        turtle.turnLeft()
    end
    right = not right
    scanAndDrop()
end