mineFuel

--DISCLAIMER!!!!
--THIS IS BETA CODE! IF THERE IS A GLITCH ON THE CODE, PLEASE MESSAGE ME AT YOUTUBE.COM/HASHTAGAMING
--When running the code running it like so "mineFuel <length of tunnel "any number"> <direction "left" or "right">

slot = 2

coal = 1
chest = 2
blocks = 3

turtle.select(2)

local args = {...}

local dist = tonumber(args[1])

local direct = tostring(args[2])

local function setSlot(s)
  slot = s
  turtle.select(s)
end

local function checkFuel()
  curSlot = slot
  if turtle.getFuelLevel() < 10 then
    setSlot(1)
    turtle.refuel()
    setSlot(curSlot)
  end
end

local function digForward()
  checkFuel()
  while not turtle.forward() do
    turtle.dig()
    turtle.digUp()
  end
end

local function turnAround(dir)
  if dir == "left" then
    turtle.turnLeft()
    digForward()
    turtle.turnLeft()
  end
  if dir == "right" then
    turtle.turnRight()
    digForward()
    turtle.turnRight()
  end
end

while turtle.getItemCount(chest) > 0 do
    for i=1,dist do
      digForward()
    end
    turnAround(direct)
    for i=1,dist do
      digForward()
    end
    turtle.dig()
    turtle.select(chest)
    turtle.place()
    for slot=3,16,1 do
      turtle.select(slot)
      while turtle.getItemCount(slot) > 0 do
        turtle.drop()
      end
    end
    if direct == "left" then
   turtle.turnRight()
 end
 if direct == "right" then
   turtle.turnLeft()
 end
    for i=1,3,1 do
      digForward()
    end
    if direct == "left" then
      turtle.turnRight()
    end
    if direct == "right" then
      turtle.turnLeft()
    end
end