-- assume logs have a unicode box character up top on the first line
  local infile = App.open_for_reading(filename)
  for line in infile:lines() do
    if line:find('\u{250c}') or line:find('\u{2518}') then
      return 'tenonauger'
    else
      return 'spokecone'
    end
  end

  print('switching to tenonauger')