term.clear()
local pd = os.pullEvent()
function openDoor()
  rs.setOutput("left", true)
  sleep(2)
  rs.setOutput("left", false)
end

if pd == "player" then
  print("Player Detected. Door is Open.")
  openDoor()
  print("Door Closed")
  sleep(.5)
end
term.clear()
shell.run("player")