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AI-generatedBehavior of OpenCV FileStorage APPEND mode during retry after transient I/O failure
Goal: Use OpenCV’s FileStorage with the APPEND flag to safely retry a write operation after a temporary I/O error without duplicating previously written nodes. Constraints: The application must detect a failed << operation or open() call, decide whether to reopen the storage in APPEND mode, and rely on the flag to position the file pointer at the end o