Best Practice Question

Dave Angel d at davea.name
Tue Feb 5 19:10:59 CET 2013


On 02/05/2013 11:53 AM, Joel Goldstick wrote:
> On Tue, Feb 5, 2013 at 11:40 AM, Anthony Correia <akcorreia at gmail.com>wrote:
>
>> On Tuesday, February 5, 2013 10:17:54 AM UTC-5, pytho... at tim.thechases.comwrote:
>>> On Tue, 5 Feb 2013 15:32:32 +0100 (CET), Jean-Michel Pichavant wrote:
>>>
>>>> By the way, did someone ever notice that r'\' fails ? I'm sure
>>>
>>>> there's a reason for that... (python 2.5) Anyone knows ?
>>>
>>>>
>>>
>>>> r'\'
>>>
>>>> SyntaxError: EOL while scanning single-quoted string
>>>
>>>
>>>
>>> I hit this all the time with Vim's path-completion (":help
>>>
>>> i_CTRL-X_CTRL-F") on Win32 which puts a trailing "\" on
>>>
>>> directory-names.  I just need to remember to remove it, a task made
>>>
>>> easier because the syntax highlighting correctly shows how Python
>>>
>>> interprets it (i.e., the string is still continued).
>>>
>>>
>>>
>>> -tkc
>>
>> Sorry about that I hit the touchpad on my laptop by mistake.  Beside the
>> using  single '\' vs a double '\\' does that look ok?
>> --
>> http://mail.python.org/mailman/listinfo/python-list
>>
>
> according to the docs for os.path.join, you don't need the backslash stuff
> at all.  Python knows the correct separator for your os and inserts it
> accordingling:
> I'm on linux:
>
>>>> import os
>>>> p = os.path.join('bob', 'bill')
>>>> p
> 'bob/bill'
>>>>
>

Worse than that, the code as posted by the OP used string concatenation 
before calling  os.path.join(), and the latter method does nothing at 
all, when presented with a single string.



-- 
DaveA



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