NP
You can cut down on some of those read's
Code:
on 10:text:$ cmdsearch *:#:{
  var %search = 1,%lines = $lines(additional.mrc)
  notice $nick Search Results:
  while %search <= %lines {
    var %a = $read(additional.mrc,n,%search)
    if $3 isin %a { NOTICE $nick %a }
    inc %search
  }
 notice $nick Done Displaying Results.
}