#include <file.au3>
#include <Array.au3>
#include <date.au3>
Dim $avArray
_FileReadToArray("1.txt", $avArray)
_ArrayDisplay($avArray)
For $i = 1 To UBound($avArray) - 1
$iDay = StringLeft($avArray[$i], 2)
$iYear = StringRight($avArray[$i], 4)
$iMonth = StringMid($avArray[$i], 4, 2)
$avArray[$i] = _DateToDayValue($iYear, $iMonth, $iDay )
Next
_ArraySort($avArray, 0, 1)
For $i = 1 To UBound($avArray) - 1
_DayValueToDate($avArray[$i],$iYear, $iMonth, $iDay)
$avArray[$i] = $iDay & "." & $iMonth & "." & $iYear
Next
_ArrayDisplay($avArray)
_FileWriteFromArray("2.txt", $avArray, 1)