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Groups > comp.lang.python > #59193

Re: Creating a function for a directory

From Neil Cerutti <neilc@norwich.edu>
Newsgroups comp.lang.python
Subject Re: Creating a function for a directory
Date 2013-11-12 13:42 +0000
Organization Norwich University
Message-ID <beepicFkjo1U1@mid.individual.net> (permalink)
References <521ed3d4-e2f7-4196-947d-61f94573a8ce@googlegroups.com> <adf24d2c-1974-4c09-9ff2-bc82b31a09f4@googlegroups.com> <5281775f$0$6574$c3e8da3$5496439d@news.astraweb.com>

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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

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Thread

Creating a function for a directory Matt <mattgraves7@gmail.com> - 2013-11-11 14:26 -0800
  Re: Creating a function for a directory Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-11 17:36 -0500
  Re: Creating a function for a directory Chris Angelico <rosuav@gmail.com> - 2013-11-12 09:38 +1100
  Re: Creating a function for a directory bob gailer <bgailer@gmail.com> - 2013-11-11 17:42 -0500
  Re: Creating a function for a directory Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-11 17:44 -0500
  Re: Creating a function for a directory Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-11 22:45 +0000
  Re: Creating a function for a directory Rick Johnson <rantingrickjohnson@gmail.com> - 2013-11-11 14:51 -0800
    Re: Creating a function for a directory Chris Angelico <rosuav@gmail.com> - 2013-11-12 10:11 +1100
      Re: Creating a function for a directory Rick Johnson <rantingrickjohnson@gmail.com> - 2013-11-11 21:42 -0800
        Re: Creating a function for a directory Chris Angelico <rosuav@gmail.com> - 2013-11-12 17:02 +1100
    Re: Creating a function for a directory Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-12 00:33 +0000
      Re: Creating a function for a directory Neil Cerutti <neilc@norwich.edu> - 2013-11-12 13:42 +0000
  Re: Creating a function for a directory Matt <mattgraves7@gmail.com> - 2013-11-11 15:05 -0800
  Re: Creating a function for a directory Chris Angelico <rosuav@gmail.com> - 2013-11-12 09:51 +1100
  Re: Creating a function for a directory unknown <unknown@unknown.com> - 2013-11-12 10:07 +0000
    Re: Creating a function for a directory Peter Otten <__peter__@web.de> - 2013-11-12 11:24 +0100
      Re: Creating a function for a directory unknown <unknown@unknown.com> - 2013-11-12 11:26 +0000

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