namespace AIStudio.Tools; public static class FileInfoExtensions { /// <summary> /// Returns the file size in human-readable format. /// </summary> /// <param name="fileInfo">The file info object.</param> /// <returns>The file size in human-readable format.</returns> public static string FileSize(this FileInfo fileInfo) { if (!fileInfo.Exists) return "N/A"; return fileInfo.Length.FileSize(); } }