Bloom.Book.ImageUpdater.GetImagePaths C# (CSharp) Method

        public static IEnumerable<string> GetImagePaths(string folderPath)
        {
            foreach (var path in Directory.EnumerateFiles(folderPath).Where(s => s.EndsWith(".png", StringComparison.OrdinalIgnoreCase) || s.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase)))
            {
                if ((path.ToLowerInvariant() == "placeholder.png") || path.ToLowerInvariant() == ("license.png")
                    || path.ToLowerInvariant() == ("thumbnail.png"))
                    continue;
                yield return path;
            }
        }