Grinder manager

grinder = peripheral.wrap("right")
chest = peripheral.wrap("top")

function feedFuel()
  for i,data in pairs(chest.getAllStacks()) do
    print("Looping through chest slot: "..i)
    a = chest.getStackInSlot(i)
    if a.raw_name == "item.item.ethanol" then
      print("Found Ethanol")
      if chest.pushItem("East",i,1) then
        print("Fed engine with fuel")
      end
      break
    end
  end
end


while true do
  os.sleep(5)
  a = grinder.printInv()
  if ( a ~= "Empty" ) then
    print("Found grinder to have something")
    a = grinder.getPower()
    if ( a == 0 ) then
      print("Grinder out of energy, feeding")
      feedFuel()
    end
  end
end