Array-Vergleich bei AutoIT

Func joinArrays($arr1, $arr2)
	$i=0
	$k=0
	$doppelte=0
	Local $arr [16777111]
	ProgressOn("Programmstatus", "Fortschritt","", IniRead("config.ini", "Global", "winx", "600"), IniRead("config.ini", "Global", "winy", "400"),16)
	While ($k<UBound($arr1))
		ProgressSet( ($k/UBound($arr1)*100), "Teil 1 - Doppelte: "&$doppelte&" - Position: "&$k)
		$vorhanden=False
		$u=0
		While ($u<UBound($arr2))
			If $arr1[$k] = $arr2[$u] Then 
				$vorhanden=True
				ExitLoop
			EndIf
			$u+=1
		WEnd
		If ($vorhanden=False) Then
			$arr[$i] = $arr1[$k]
			$i+=1
		Else
			$doppelte+=1
		EndIf
		$k+=1
	WEnd
	$u=0
	While ($u < UBound($arr2))
		ProgressSet( ($u/UBound($arr2)*100), "Teil 2 - Liste anfügen")
		$arr[$i]=$arr2[$u]
		$i+=1
		$u+=1
	WEnd
	ReDim $arr[$i]
	Return $arr
EndFunc

HANS
MARKUS
LINDA
BERT
PETER

HERBERT
PETER
SUSANNE
ELISABETH
GISELA

HANS
MARKUS
LINDA
BERT
HERBERT
PETER
SUSANNE
ELISABETH
GISELA

ANTON    ANTON
ARTHUR
         FRANZ
GUSTAV   GUSTAV
HANS
         JAN
PETER    PETER

irgendwelche txt-Dateien aus einem bestimmten Ordner nehmen
Txt-Datei 1 -> Array 1
Txt-Datei 2 -> Array 2
txt-Dateien in .txt.old umbennen
Beide Arrays zusammenfügen und das resultierende Arrays in eine neue Txt schreiben.

 static void Main(string[] args)
        {
            string[] ar1 = { "ANTON", "ARTHUR", "GUSTAV", "HANS", "PETER" };
            string[] ar2 = { "ANTON", "FRANZ", "GUSTAV", "JAN", "PETER", "ZUSEL" };

            int i = 0;
            int j = 0;

            while (i < ar1.Length || j < ar2.Length)
            {
                if (ar1[i] == ar2[j])
                {
                    Console.WriteLine(ar1[i]);
                    i++;
                    j++;
                } else if (ar1[i].CompareTo(ar2[j]) < 0)
                {
                    while ((i < ar1.Length) && (ar1[i].CompareTo(ar2[j]) < 0))
                    {
                        Console.WriteLine(ar1[i]);
                        i++;
                    }
                }
                else // ar2[j].CompareTo(ar1[i]) < 0
                {
                    while ((j < ar2.Length) && (ar2[j].CompareTo(ar1[i]) < 0))
                    {
                        Console.WriteLine(ar2[j]);
                        j++;
                    }
                }

                if (i == ar1.Length)
                {
                    while (j < ar2.Length)
                    {
                        Console.WriteLine(ar2[j]);
                        j++;
                    }
                }

                if (j == ar2.Length)
                {
                    while (i < ar1.Length)
                    {
                        Console.WriteLine(ar1[i]);
                        i++;
                    }
                }
            }

            Console.WriteLine("--Ende--");
            Console.ReadLine();
        }

$files = array("blub.txt", "bla.txt");
$entries = array();
foreach($files as $file) {
    $content = file_get_contents($file);
    $content = split("\r\n", $content);
    foreach($content as $c) {
        $entries[$c] = "";
    }
}
$output = "";
foreach(array_keys($entries) as $key) {
    $output .= $key."\r\n";
}
file_put_contents("output.txt", $output);

public static ArrayList joinArrays(ArrayList arr1, ArrayList arr2)
	{
		long anfang = System.currentTimeMillis();
		long zeit;
		int doppelte=0;
		for (int i=0; i<arr2.size(); i++) {
			if (i%100==0) System.out.println((i*100/arr2.size())+" Prozent");
			if (!(arr1.contains(arr2.get(i)))) arr1.add(arr2.get(i));
			else doppelte++; }

		zeit = (System.currentTimeMillis() - anfang)/1000;
		System.out.println("Doppelte: "+doppelte+"\tDauer: "+zeit);
		return arr1;
	}

public static ArrayList joinArrays(ArrayList ar1, ArrayList ar2)
{
	long anfang = System.currentTimeMillis();
	long zeit;
	// hier ar1 mit Quicksort sortieren
	// hier ar2 mit Quciksort sortieren
	int i = 0;
	int j = 0;
	int doppelte = 0;

	while (i < ar1.size() || j < ar2size())
	{
		if (ar1.get(i) == ar2.get(j))
		{
			i++;
			j++;
			doppelte++;
                } else if (ar1.get(i).compareTo(ar2.get(j)) < 0) {
			while ((i < ar1.size()) && (ar1.get(i).compareTo(ar2.get(j)) < 0))
			{
				i++;
			}
		}
		else // ar2get(j).compareTo(ar1get(i)) < 0
		{
			while ((j < ar2.size()) && (ar2.get(j).compareTo(ar1.get(i)) < 0))
			{
				ar1.add(i, ar2.get(j));  // evtl i-1 statt i
				i++;
				j++;
			}
		}

		if (i == ar1.size())
                {
			while (j < ar2.size())
			{
				ar1.add(ar2.get(j));
				j++;
			}
		}

		if (j == ar2.size())
                {
			i = ar1.size();
		}
	}
	zeit = (System.currentTimeMillis() - anfang)/1000;
	System.out.println("Doppelte: "+doppelte+"\tDauer: "+zeit);
	return ar1;
}