Mine

on *:text:!wsearch*:#:{
  if ($2) {
    var %x = $lines(palavras.txt)
    var %y = 1
    while (%y <= %x) {
      if ($gettok($read(palavras.txt,%y),1,45) == $strip($2)) {
        msg $chan Founded in DB | return
      }
      inc %y
    }
    msg $chan Not founded in DB
  }
}