Hi guys! i want to write speedy and very fast code to check if chosen filename exists then add "-1" at end of it and if chosen filename exists again, add "-2" instead of "-1" and check filename until be unique.   For Example: I have to write "Filename.txt" in C:\ directory with FileOpen then check if "Filename.txt" exists in that directory then rename chosen filename to "Filename-2.txt" and if exists again in directory, rename chosen filename to "Filename-3.txt" and do this w