Cobble Gen

function counter()
 local i = 0
 return function() i = i + 1 return i end
end
function modStr(num)
 if num < 10 then
   return "0" .. num
 else
   return num
 end
end
while true do
 if turtle.detect() then
  turtle.dig()
  term.clear()
  term.setCursorPos(1,1)
  local total = 0
  for i=1,16,1 do
   total = total + turtle.getItemCount(i)
  end
  for i=1,16,1 do
   print("Row " .. i .. ": " .. turtle.getItemCount(i) .. " (" .. math.floor((turtle.getItemCount(i)/total)*100) .. "%)")
  end
  print("Total: " .. total)
  print("-----------------")
  local iterator = counter()
  print(" ___ ___ ___ ")
  print("|" .. modStr(turtle.getItemCount(iterator())) .. " |" .. modStr(turtle.getItemCount(iterator())) .. " |" .. modStr(turtle.getItemCount(iterator())) .. " |")
  print("|___|___|___|")
  print("|" .. modStr(turtle.getItemCount(iterator())) .. " |" .. modStr(turtle.getItemCount(iterator())) .. " |" .. modStr(turtle.getItemCount(iterator())) .. " |")
  print("|---|---|---|")
  print("|" .. modStr(turtle.getItemCount(iterator())) .. " |" .. modStr(turtle.getItemCount(iterator())) .. " |" .. modStr(turtle.getItemCount(iterator())) .. " |")
  print("|___|___|___|")
  print(" ")
  print("-----------------")
  print("Cobble Farmer")
 end
 totalcount = turtle.getItemCount(16)
 if totalcount == 64 then
  term.clear()
  term.setCursorPos(1,1)
  print("Dropping Stacks")
  print("...Please wait.")
  sleep(1)
  for i=1,16 do
   turtle.select(i)
   turtle.drop()
  end
  turtle.select(1)
 end
end