Const ForReading = 1
Const ForWriting = 2
strdatei = Wscript.Arguments(0)
strdatei2 = Wscript.Arguments(1)
von = Wscript.Arguments(2)
nach = Wscript.Arguments(3)
Set objFSO = CreateObject("Scripting.FileSystemObject")

    Set objTest = objFSO.GetFile(strdatei)
    If objTest.Size > 0 Then
Set objFile = objFSO.OpenTextFile(strdatei, ForReading)
strText = objFile.ReadAll
objFile.Close
strNewText = Replace(strText, von, nach)
Set objFile = objFSO.OpenTextFile(strdatei2, ForWriting)
objFile.WriteLine strNewText
objFile.Close
Else
End If