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From: Neil Cerutti <neilc@norwich.edu>
Newsgroups: comp.lang.python
Subject: Re: Creating a function for a directory
Date: 12 Nov 2013 13:42:37 GMT
Organization: Norwich University
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On 2013-11-12, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
> Using os.path.exists before opening a file is, for the most
> part, a waste of time.

I use it in conjuction with file creation times to check that I
didn't forget to update/create one of the data files a process
might need.

Since I have to create the data file manually, race conditions
seem unlikely.

-- 
Neil Cerutti