if filename.endswith(".txt.txt"): safe_filename = filename.replace(".txt.txt", ".txt") # Log incident for user warn_user("Double extension detected. Renaming for safety.") Use code with caution. Copied to clipboard
When a user attempts to save a file as .txt.txt , a warning should appear stating: "The extension '.txt.txt' is unusual. Did you mean '.txt'?" This helps prevent user confusion. To make this feature even better, let me know: .txt.txt
Ensure File Open Dialogues include *.txt.txt in the "Plain Text Files" filter. 4. User Experience if filename
The system MUST flag .txt.txt files in email attachments or download folders for potential spoofing. 3. Implementation Logic Detection: Scan for file extension regex: ^.*\.txt\.txt$ Handling Rule: Did you mean '
Default text editors (e.g., Notepad, TextEdit) SHOULD open .txt.txt files directly.
The "Save As" dialogue MUST prompt the user to normalize the file to a single .txt extension.