Re: [PATCH] strftime: support %q to output the quarter of year

[Pádraig Brady <P at draigBrady dot com>]

On 04/11/16 12:41, Szabolcs Nagy wrote:
> On 04/11/16 12:23, Pádraig Brady wrote:
>> On 04/11/16 12:07, Szabolcs Nagy wrote:
>>> On 04/11/16 12:00, Pádraig Brady wrote:
>>>> On 04/11/16 11:41, Szabolcs Nagy wrote:
>>>>> On 03/11/16 19:46, Pádraig Brady wrote:
>>>>>> This is already supported by gnulib.
>>>>
>>>>> why?
>>>>
>>>> It's a marginal benefit, but as
>>>> noted in the cover of my updated patch:
>>>>
>>>> "Note even though the code is trivial here,
>>>> %q is useful from the shell as there you need to:
>>>> $(( ($(date +%-m)-1)/3+1 ))".
>>>>
>>>> I'll add that to the actual commit.
>>>
>>> this can conflict with future standard, so
>>> there need to be a strong reason for adding
>>> such extensions to portability libraries
>>> such as gnulib or to c runtimes.
>>>
>>> how does gnulib plan to deal with the conflict
>>> once posix adds %q with different meaning?
>>
>> Perl's date lib also uses %q for quarter.
> 
> i don't know what "Perl's date lib" is,
> the perl DateTime module does not seem to support %q.
> https://metacpan.org/pod/DateTime#strftime-Patterns

Sorry Perl's Date::Format supports %q
https://metacpan.org/pod/Date::Format#CONVERSION-SPECIFICATION