local component = require("component")
local event = require("event")
local t = component.tunnel

local instr = "help - вывести все команды\nexit - выйти"
local f = io.open("help.txt", "r")
local help = f:read("*all")
f:close()

print(instr)

while true do
  io.write("msg: ")
  _, message = pcall(io.read)
  t.send(message)
  if message == "exit" then
    break
  elseif message == "help" then
    print(help)
  end
end