Useful snippets for Jupyter notebooks

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Useful snippets for Jupyter notebooks

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Last edited Nov 4, 2025

Created on Dec 10, 2025

This example shows how to manage notebook output and file operations using Jupyter's `%%capture` cell magic and IPython utilities. It captures noisy stdout and stderr streams, filters tagged error lines, and writes output to files using `%store` and Python's `print()` with a `file` argument. It also demonstrates file retrieval with `os.path.isfile` checks and curl, directory creation via `os.path.isdir`, and cleaning directories with shell commands. The code uses `IPython.utils.io.capture_output` and `shlex.quote` for safe command construction.

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