View difference between Paste ID: 7fStiTUb and EPfm7fJ2

 local tArgs = {...}
 local length = tArgs[1]
 local numTunnels = tArgs[2]
 local inv = true
 local checkTorch = 0
 local height = 0
 
 function tunnel()
   term.clear()
   term.setCursorPos(1,1)
   print("Mining...")
   for i=1,length do
     fuel()
     turtle.dig()
     while turtle.forward() == false do
       turtle.dig()
     end
     turtle.digUp()
     torch()
   end
 end
 
 function turnAround()
   term.clear()
   term.setCursorPos(1,1)
   print("Turning around...")
   for k = 1,6 do
     fuel()
     turtle.dig()
     while turtle.forward() == false do
       turtle.dig()
     end
     turtle.digUp()
     torch()
   end
 
   checkInv()
 
   while turtle.back() == false do
     turtle.turnRight()
     turtle.turnRight()
     turtle.dig()
     for i = 1,3 do
       turtle.forward()
       turtle.dig()
     end
     turtle.turnRight()
     turtle.turnRight()
     for i = 1,3 do
       turtle.back()
     end
   end
   turtle.back()
   turtle.back()
 end
 
 function checkInv()
   term.clear()
   term.setCursorPos(1,1)
   print("Trashing...")
   for y = 2,16 do
     turtle.select(y)
     if turtle.compareTo(1) then
       turtle.drop()
     end
   end
 end
 
 function torch()
   if turtle.getItemCount(16) < 5 then
     term.clear()
     term.setCursorPos(1,1)
     print("Waiting for torches...place in bottom right.")
     while turtle.getItemCount(16) < 5 do
       sleep(2)
     end
   end
   term.clear()
   term.setCursorPos(1,1)
   print("Mining...")
   if checkTorch == 8 then
     fuel()
     turtle.select(16)
     turtle.up()
     turtle.digUp()
     if turtle.placeUp() or turtle.getItemCount(16) == 0 then
         for i = 0,height do
           fuel()
           turtle.down()
         end
         turtle.select(1)
         checkTorch = 0
         height = 0
     else
         height = height + 1
         torch()
     end
   else
     checkTorch = checkTorch + 1
   end
 end
 
 function fuel()
   if turtle.getFuelLevel() < 50 then
     print ("Wating for fuel...place in bottom left.")
     while turtle.getFuelLevel() < 50 do
       turtle.select(13)
       turtle.refuel()
       sleep(2)
     end
   end
   term.clear()
   term.setCursorPos(1,1)
   print("Mining...")
   turtle.select(1)
 end
 
 function begin()
   turtle.select(1)
   if turtle.getItemCount(1) == 0 then
     print("Please place an item to trash in the top left.")
     while turtle.getItemCount(1) == 0 do
       sleep(1)
     end
     term.clear()
     term.setCursorPos(1,1)
     begin()
   else
     print("The item in the top left will be trashed...confirm?")
     os.pullEvent("key")
   end
   term.clear()
   term.setCursorPos(1,1)
 end
 
 begin()
 for j = 1,numTunnels do
   tunnel()
   turtle.turnLeft()
   turnAround()
   turtle.turnLeft()
   tunnel()
   turtle.turnRight()
   turnAround()
   turtle.turnRight()
 end
 term.clear()
 term.setCursorPos(1,1)
 print("Done!")