private static void batchRenameExtension(string Folder)
{
if (!Directory.Exists(Folder))
{
return;
}
foreach (string f in Directory.GetFiles(Folder, "*", SearchOption.AllDirectories))
{
try {
string ext = Path.GetExtension(f);
string newExt = FileFormat.Guess(f);
if (ext != newExt)
{
File.Move(f, Path.Combine(Path.GetDirectoryName(f), Path.GetFileNameWithoutExtension(f)) + newExt);
}
} catch { }
}
}