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Clarify "b" mode under Unix.

This commit is contained in:
Georg Brandl 2008-01-26 14:02:38 +00:00
parent 0c3f1680b3
commit 2a7d991c6c
1 changed files with 2 additions and 1 deletions
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Doc/tutorial/inputoutput.rst
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@ -200,7 +200,8 @@ characters in text files are automatically altered slightly when data is read or
written. This behind-the-scenes modification to file data is fine for ASCII
text files, but it'll corrupt binary data like that in :file:`JPEG` or
:file:`EXE` files. Be very careful to use binary mode when reading and writing
such files.
such files. On Unix, it doesn't hurt to append a ``'b'`` to the mode, so
you can use it platform-independently for all binary files.
.. _tut-filemethods: