View difference between Paste ID: 26dLD5MC and d79d2UX7

 local args = {...}
 
 if #args ~= 3 then
   print("Usage: quarry <row length> <number of rows> <current y>")
   error()
 end
 
 rowLength = args[1]
 rows = args[2]
 startingY = args[3]
 curRow = 1
 
 y = startingY
 
 function full()
   fullSlots = 0
   for i=2,15 do
     if turtle.getItemCount(i) > 0 then
       fullSlots = fullSlots + 1
     end
   end
   print(fullSlots .. " slots are full")
   return(fullSlots == 14)
 end
 
 function checkFuel()
   if turtle.getFuelLevel() < 10 then
     turtle.select(1)
     turtle.refuel(1)
     end
 end
 
 function digMove()
   checkFuel()
   while turtle.detect() do
     turtle.dig()
     os.sleep(0.5)
   end
   turtle.forward()
   turtle.digUp()
   turtle.digDown()
 end
 
 function turn()
   if curRow % 2 == 0 then
     turtle.turnRight()
   else
     turtle.turnLeft()
   end
 end
 
 function dig()
   turtle.digDown()
   turtle.down()
   y = y - 1
 end
 
 function back()
   turtle.turnLeft()
   for i=1,rows do
     checkFuel()
     turtle.forward()
   end
   turtle.turnLeft()
 end
 
 function up()
   for i=1,(startingY - y) do
     checkFuel()
     turtle.up()
     y = y + 1
   end
 end
 
 
 function down(x)
   for i=1,x do
     checkFuel()
     dig(x)
   end
 end
 
 function chest()
   turtle.turnLeft()
   turtle.turnLeft()
   for i=2,16 do
     turtle.select(i)
     turtle.drop()
   end
   if turtle.getItemCount(1) < 3 then
     turtle.up()
     turtle.select(1)
     turtle.suck()
     turtle.down()
   end
   turtle.turnRight()
   turtle.turnRight()
 end
 
 function level()
   curRow = 1
   for i=1,rows do
     for i=1,rowLength-1 do
       digMove()
     end
     if curRow == tonumber(rows) then
 
     else
       turn()
       digMove()
       turn()
       curRow = curRow + 1
     end
   end
   back()
   tempY = y
   if full() then
     up()
     chest()
     down(startingY - tempY + 3)
   else
     down(3)
   end
   turtle.digDown()
 end
 
 function quarry()
   down(2)
   turtle.digDown()
   while y > 5 do
     level()
   end
   up()
 end
 
 quarry()