In this case the function CsvGet() can replace Extract:
$sFolder="D:\Temp\*.*"
$sDirList = Dir($sFolder,"")
$sFileDate1 = CsvGet($sDirList,"2,3 Delim=;")
$sFolder="D:\Temp\*.*"
$sDirList = Dir($sFolder,"")
$sFileDate1 = CsvGet($sDirList,"2,3 Delim=;")