This seems to do it within 13 minutes, so it's faster but not yet as fast as my latest code.

Originally Posted By: Twitch
try this;
Code:
/filter -fkn %Email trackfilt *track.php*

alias trackfilt {
  var %ln = $gettok($1,1,32)
  filter -ffr  $+(%ln,-,$calc(%ln + 2)) %Email %EmailTempFile *
}