"ohne GUI"
[autoit]
#include <File.au3>
#include <array.au3>
Global $aLines
Global $aFiles[2] = [@ScriptDir & "\test.txt", @ScriptDir & "\test.ini"]
$sSearch = "Hallo"
$output = @ScriptDir & "\output.txt"
For $i = 0 To UBound($aFiles) - 1
_FileReadToArray($aFiles[$i], $aLines)
_ArrayDisplay($aLines)
If IsArray($aLines) Then
For $j = 1 To $aLines[0] Step 1
If StringLeft($aLines[$j], StringLen($sSearch)) = $sSearch Then
FileWriteLine($output, $aLines[$j])
EndIf
Next
EndIf
Next