[ python-Bugs-1353793 ] Error in documentation for os.walk

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Bugs item #1353793, was opened at 2005-11-11 10:28
Message generated for change (Comment added) made by mgeisler
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Category: Documentation
Group: Not a Bug
Status: Closed
Resolution: Invalid
Priority: 5
Submitted By: Martin Geisler (mgeisler)
Assigned to: Nobody/Anonymous (nobody)
Summary: Error in documentation for os.walk

Initial Comment:
There's a mistake in the example given for os.walk on
this page:

  http://docs.python.org/lib/os-file-dir.html

The line with sum should read

  print sum([getsize(join(root, name)) for name in files]),

with square brackets.  Otherwise, thanks for the
excellent documentation!

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>Comment By: Martin Geisler (mgeisler)
Date: 2005-11-12 00:41

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Ups, I'm sorry for the noise then...

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Comment By: Tim Peters (tim_one)
Date: 2005-11-11 15:50

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Your URL is for the Python 2.4.2 docs, where the example 
works fine as given.  If you're using an earlier version of 
Python, the example will not work as given (it relies on 
generator expressions, which were introduced in 2.4).

For example, if you're using Python 2.3.5, you should look at 
the docs for 2.3 instead:

http://www.python.org/doc/2.3.5/lib/os-file-dir.html

Note that square brackets _are_ in that example, because 
Python 2.3.5 required them.  Current Pythons (2.4+) do not, 
so I'm closing this as Not-A-Bug.

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