code:

---

; Get the present SuperDAT filename
$sDATString=DIR ($appsPATH + "SuperDAT\sdat*.exe")

; Parse the SuperDAT string for the version number
$sDATVer=SUBSTR($sDATString,5,4)

$VS45DATValue = READVALUE($RegPath + "Network Associates\TVD\Shared Components\VirusScan Engine\4.0.xx","szDatVersion")
$VS45DATNum = SUBSTR($VS45DATValue,5,4)

    IF VAL($sDATVer) > VAL($VS45DATNum)      ; if the SuperDAT is not up-to-date
      GOTO "SuperDAT"
    ELSE
...

---