Something

on *:join:#:{
  if ( % [ $+ [ $chan ] ] != on ) {
    halt
  }
  elseif ($me isop $chan || $me ishop $chan) {
    mode $chan +v $nick
  }
}
alias autovoiceon {
    set % [ $+ [ $chan ] ] on
    echo 2 AutoVoicing Enabled on $chan
}
alias autovoiceoff {
    unset % [ $+ [ $chan ] ]
    echo 2 $nick AutoVoicing Disabled on $chan
}