Something

 if ($1 == !pre) {
    while (%x >= 1) {
      var %line = $read(db.txt,%x)
      if (* $+ $2- $+ * iswm %line) {
        var %type = $gettok(%line,1,32)
        var %timestamp = $duration($calc($ctime - $ctime($deltok(%line,1- $+ $calc($numtok(%line,32) - 2),32))))

        if (%type == PRE) {
          var %category = $gettok(%line,2,32)
          var %release = $deltok(%line,$numtok(%line,32),32)
          var %release = $deltok(%release,$numtok(%release,32),32)
          var %release = $deltok(%release,1-2,32)
          msg $iif($1 == !pre,$chan,$nick) .:: 0Search ::. .::0 %release ::. 7was pred .::0 %timestamp ago ::. 7in .::0 %category ::.
        }
        else {
          var %release = $gettok($read(db.txt,%x),2,32)
          if (%type == NUKE) {
            var %type = %type
            var %why = 4 $+ $gettok($read(db.txt,%x),3,32)
            var %cor = 4
          }
          if (%type == UNNUKE) {
            var %type = %type
            var %why = 9 $+ $gettok($read(db.txt,%x),3,32)
            var %cor = 9
          }
          msg $iif($1 == !pre,$chan,$nick) .:: 0Search ::. .::0 %release ::.7 was pred .::0 %timestamp ::. %cor $+ was  $+ $upper(%type) $+ D because .:: %why ::.
        }
      }
      dec %x
    }
  }