CC Place and Break

print("Press CTRL+T to stop")
local turtle_inventory_slot = 1
while true do --Always loop
 local result, message = turtle.suckDown(1) --Try to pull in item from chest below
 local item_count, item_name = turtle.getItemDetail(turtle_inventory_slot) --Get count and name of selected turtle inventory item
  if item_count <= 0  then --Turtle no longer has inventory in selected spot select next spot
   if turtle_inventory_slot > 16 then --End of turtle inventory reached stop NEED TO MAKE THIS BETTER
    print("Reached end of turtle inventory, stopping.")
    return
   end
   if turtle_inventory_slot <= 16 then
    turtle.select(turtle_inventory_slot)
    local item_count, item_name = turtle.getItemDetail(turtle_inventory_slot)
    while item_name ~= "minecraft:netherrack" then
     turtle.dropUp()
     turtle_inventory_slot = turtle_inventory_slot + 1
     if turtle_inventory_slot <= 16 then
      return
     end
     turtle.select(turtle_inventory_slot)
     local item_count, item_name = turtle.getItemDetail(turtle_inventory_slot)

    end
   end
--Check if item is correct to drop
  if item_name ~= "minecraft:netherrack" then
   turtle.dropUp() --Drop the incorrect item so the vacuum chest grabs it
   turtle_inventory_slot = turtle_inventory_slot + 1
   if turtle_inventory_slot >= 17 then --End of turtle inventory reached stop NEED TO MAKE THIS BETTER
    print("Reached end of turtle inventory, stopping.")
    return
   end
   turtle.select(turtle_inventory_slot)
  end
 local block_present, info = turtle.inspect()
  --print(block_present)
  if block_present then
   --print("Found block, mining!")
   if info.name ~= "minecraft:netherrack" then
    turtle.dig()
   end
  end
  if block_present == false then
   --print("No block found, placing block.")
   turtle.place(0)
  end
end