ComputerCraft Tutorial: auto_melee_trap0_2

-- #################################
-- auto_melee_trap
-- version 0.2
-- http://hevohevo.hatenablog.com/
-- The turtle suspends the operation during the redstone ON.

-- ################ config
RSSide = "back"


-- ################ functions
-- When the inventory was filled to capacity, drop all items.
function dropItems()
  if turtle.getItemCount(16) >0 then
    for i=1,16 do
      turtle.select(i)
      turtle.dropDown()
    end
    turtle.select(1)
  end
end

-- ################ main

turtle.select(1)

while true do
  if not rs.getInput(RSSide) then --redstone ON
    turtle.attack()
    turtle.suck()
    dropItems()
  else -- redstone ON
    -- wait for the inputted signal to change OFF
    print("suspend")
    os.pullEvent("redstone")
    print("attack")
  end
end