Someone

on *:TEXT:!warn*:#:{ 
  if ($nick isop $chan) { 
    if ($2- !ison $chan) { /notice $nick Sorry $nick $+ , You may only warn someone who is on your channel. 
    } 
    else { 
      .inc $+(%,warn.ban.,$2-) 
      if $($+(%,warn.ban.,$2-),2) == 1 { 
        msg $chan [WARNING] $2- has been warned. $ord($($+(%,warn.ban.,$2-),2)) warning! 
      } 
      if $($+(%,warn.ban.,$2-),2) == 2 { 
        msg $chan [WARNING] $2- has been warned. $ord($($+(%,warn.ban.,$2-),2)) warning! LAST WARNING! 
      } 
      if $($+(%,warn.ban.,$2-),2) == 3 { 
        msg $chan [WARNING] $2- has been warned 3 out of 3 times! 
        .timer 1 5 .ban -ku600 $chan $2- Banned for 3 warnings. - 10 minute ban - 
        unset $+(%,warn.ban.,$2-) 
      } 
    } 
  } 
  else notice $nick You must be an @op to warn someone in $chan $+ . 
}