View difference between Paste ID: NiqGwQ46 and UN5mFEsu

 ---Strip Mine---
 
 --fuel in 1, Chests in 2
 
 -- Create the function for refueling
 function checkFuel()
   if turtle.getFuelLevel() <= 10 then
     turtle.select(1)
     turtle.refuel(1)
     turtle.select(1)
   end --if
 end --checkFuel()
 
 -- Create the function for unloading
 function unload()
   for slot = 3, 16 do
     turtle.select(slot)
     turtle.dropDown()
   end --for
 end --unload()
 
 -- Create the function for checkingInventory
 function checkInv(steps)
   goBack = false
   turtle.select(3)
     if turtle.getItemCount() > 0 then
       goBack = true
     end --if
   if goBack == true then
     turtle.turnLeft()
     turtle.turnLeft()
     for i = 1, steps do
       checkFuel()
       turtle.forward()
     end --for
   unload()
   end --if
 end --checkInv()
 
 -- Create the function for mining one
 function digOne(steps)
   checkInv(steps)
   turtle.dig()
   checkFuel()
   turtle.forward()
   turtle.digUp()
 end --digOne()
 
 function run(number_tunnel, length_tunnel)
 for tunnel = 1,number_tunnel do
   turtle.digDown()
   turtle.select(2)
   turtle.placeDown()
   vorwaerts = 0
   for steps = 1, length_tunnel do
     digOne(vorwaerts)
     vorwaerts = vorwaerts + 1
   end --for
   turtle.turnLeft()
   turtle.turnLeft()
   for k = 1, vorwaerts do
     checkFuel()
     turtle.forward()
   end --for
   unload()
   turtle.turnRight()
   digOne(vorwaerts)
   digOne(vorwaerts)
   digOne(vorwaerts)
   turtle.turnRight()
 end --for
 end --function
 
 -- Main script
 print("Input tunnel length:")
 local length = read()
 print("Tunnel quantity")
 local quantity = read()
 print("starting excavation...")
 run(quantity, length)