733414

modem = require("component").modem
event = require("event")
modem.open(20)
started_from = ""

local _, _, from, port, _, message = event.pull("modem_message")
if tostring(message) == "con_start" and started_from == ""  then
  started_from = tostring(from)
  local  _, _, from, port, _, message = event.pull("modem_message")
  if tostring(message) == "read" and tostring(from) == started_from then
    local _, _, from, port, _, message = event.pull("modem_message")
    if tostring(from) == started_from then
      local file = io.open(tostring(message), "r")
      local broadcast = file.read()
      file.close()
      modem.send(from, port, broadcast)
      started_from = ""
    end
  end
end