assert(bash_start, "Sorry: Need privileges. (e.g.: run -power 208)")

bash_start()
bash_send('date\n')
--bash_send('date\n')
bash_send('exit\n')

for i=1, 10 do
  os_sleep(500)
  local alive = bash_alive()
  out, err = unpack(bash_poll())
    
  -- print err first so bash output looks prettier.
  if err ~= '' then print(err) end
  if out ~= '' then print(out) end
  if not alive then break end
end

if bash_alive() then bash_kill() end
return 'ok'