Listener

local printer = peripheral.wrap("right")
local modem = peripheral.wrap("top")
while true do
--Snooper
	modem.open(65533)
	ID, message, protocol = rednet.receive()
	print("Message Details")
	print("Sender ID: #" ..ID)
	print("Protocol: " ..protocol)
	print("Message: " ..message)
--Printing
	local ready = printer.newPage()
	if ready == true then
		print("Do you want to print this message? Y/N")
		response = read()
		if response == "Y" then
			print("Who will receive this?")
			target = read()
			printer.setCursorPos(1,1)
			printer.write("Message Details")
			printer.setCursorPos(1,3)
			printer.write("Sender ID: #" ..ID)
			printer.setCursorPos(1,4)
			printer.write("Protocol: " ..protocol)
			printer.setCursorPos(1,6)
			printer.write("Message")
			printer.setCursorPos(1,7)
			printer.write(message)

			printer.setPageTitle("Send to " ..target)
			printer.endPage()
		else
			term.clear()
			term.setCursorPos(1,1)
		end
	else
		print("Printer isn't ready. Check ink and paper")
	end
end