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docs: Improve docs for os.path.commonprefix

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Yury Selivanov 2015-08-17 23:43:43 -04:00
parent d61714d236
commit 80ac11f95f
1 changed files with 15 additions and 2 deletions
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17
Doc/library/os.path.rst
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@ -82,8 +82,21 @@ the :mod:`glob` module.)
Return the longest path prefix (taken character-by-character) that is a
prefix of all paths in *list*. If *list* is empty, return the empty string
(``''``). Note that this may return invalid paths because it works a
character at a time. To obtain a valid path, see :func:`commonpath`.
(``''``).
.. note::
This function may return invalid paths because it works a
character at a time. To obtain a valid path, see
:func:`commonpath`.
::
>>> os.path.commonprefix(['/dir1/dir2', '/dir3/dir4'])
'/dir'
>>> os.path.commonpath(['/dir1/dir2', '/dir3/dir4'])
'/'
.. function:: dirname(path)