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Groups > comp.lang.python > #91017

Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence

Date 2015-05-21 17:54 +0100
From MRAB <python@mrabarnett.plus.com>
Subject Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence
References <9d786d0b-0f25-4446-a730-ff1fe2f6b20d@googlegroups.com> <555d9233$0$12913$c3e8da3$5496439d@news.astraweb.com> <mjkp7j$p7k$1@reader1.panix.com> <mailman.200.1432218440.17265.python-list@python.org> <mjl19n$etm$1@reader1.panix.com>
Newsgroups comp.lang.python
Message-ID <mailman.205.1432227244.17265.python-list@python.org> (permalink)

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On 2015-05-21 17:31, Grant Edwards wrote:
> On 2015-05-21, Chris Angelico <rosuav@gmail.com> wrote:
>> On Fri, May 22, 2015 at 12:14 AM, Grant Edwards <invalid@invalid.invalid> wrote:
>>> On 2015-05-21, Steven D'Aprano <steve+comp.lang.python@pearwood.info> wrote:
>>>
>>>> import glob
>>>> print(glob.glob("c:/abc/def/ghjmain/features/XYZ/*<filename>"))
>>>>
>>>> Don't use backslashes \ as they have special meaning to Python. Use forward
>>>> slashes and let Python convert them as needed.
>>>
>>> Interesting. I've never heard about this.
>>>
>>> When will Python convert them?
>>
>> Actually, it won't ever bother to convert them.
>
> OK, so this isn't some new feature I hadn't heard about due to my
> spending most of my time with 2.7. :)
>
>> The Windows file system APIs are quite happy to work with forward
>> slashes;
>
> Yep, I knew that -- I have always use forward slashes on Windows (and
> DOS before that) when dealing with the file system.
>
>> it's only command-line tools (which conventionally use forward
>> slashes to introduce options), and not all of them, which require
>> backslashes.
>
Dialog boxes, however, insist on backslashses.

> Yup, I was wondering if that was where Python (or its stdlib) would
> convert them (which would have surprised me).  Back in the day, you
> could change the 'option switch' character from '/' to whatever you
> wanted (and as an old Unix guy, I always set it to '-').  Then you
> could even use forward slashes on the command line (mostly). But, I
> don't think Windows has support that for yonks.
>

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Thread

Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence chaotic.sid@gmail.com - 2015-05-20 22:34 -0700
  Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-21 18:07 +1000
    Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence Peter Otten <__peter__@web.de> - 2015-05-21 10:54 +0200
    Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence Tim Golden <mail@timgolden.me.uk> - 2015-05-21 10:06 +0100
    Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence Grant Edwards <invalid@invalid.invalid> - 2015-05-21 14:14 +0000
      Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence Chris Angelico <rosuav@gmail.com> - 2015-05-22 00:27 +1000
        Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence Grant Edwards <invalid@invalid.invalid> - 2015-05-21 16:31 +0000
          Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence MRAB <python@mrabarnett.plus.com> - 2015-05-21 17:54 +0100
      Re: Find if a file existing within 1000s of folder/sub-folder - each file has a unique presence Tim Golden <mail@timgolden.me.uk> - 2015-05-21 15:32 +0100

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