Files with temporary extension (e.g. downloading) should be treated like normal videos extension | file example | info -------------|------------------|------ .!qB | movie.avi.!qB | [info](https://fileinfo.com/extension/!qb) .!bt | movie.avi.!bt | [info](https://fileinfo.com/extension/!bt) .!ut | movie.avi.!ut | [info](https://fileinfo.com/extension/!ut) Maybe we should ignore all extension starting with `!`