on *:INVITE:#:{ join $chan | .timer 1 1 .signal -n bot_join $nick $chan }
on *:SIGNAL:bot_join:{
  if ($nick(#,0) > 5) {
    msg $chan Hello, for a list of commands type !commands.
    msg $chan To make me leave type !part.
  }
  else { part $chan you need atleast 5 people in your channel. }