[docs] [issue22167] iglob() has misleading documentation (does indeed store names internally)

[Roy Smith]

Roy Smith added the comment:

How about something like this:

Note: The current iglob() implementation is optimized for the case of many files distributed in a large directory tree.  Internally, it iterates over the directory tree, and stores all the names from each directory at once.  This will lead to pathologically inefficient behavior when any individual directory has a large number of files in it.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22167>
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