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GH-124985: Document that pathlib.Path.copy() uses copy-on-write. #125861

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Nov 5, 2024
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GH-124985: Document that pathlib.Path.copy() uses copy-on-write. #125861

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5 changes: 5 additions & 0 deletions Doc/library/pathlib.rst
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Expand Up @@ -1563,6 +1563,11 @@ Copying, moving and deleting
This argument has no effect when copying files on Windows (where
metadata is always preserved).

.. note::
Where supported by the operating system and file system, this method
performs a lightweight copy, where data blocks are only copied when
modified. This is known as copy-on-write.

.. versionadded:: 3.14


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