Re: quarter code for date

[Pádraig Brady]

On 06/10/16 12:53, Pádraig Brady wrote:
> On 06/10/16 11:11, john woods wrote:
>> date +%YW%V gives week and year; it would be nice if date +%YQ%q could
>> return, eg 2016Q3 as having a quarters code in date would save AWKwardness
>> or shell arithmetic.
>>
>> Perhaps we could have
>> %q 1,2,3,4
>> %Q 1st quarter; 2nd quarter; 3rd quarter; 4th quarter
>>
>> Regards ...
> 
> This is one of those marginal calls.
> 
> It's not that awkward to get the quarter number: $(( ($(date +%-m)-1)/3+1 ))
> But I agree it would be useful to give the number directly.
> 
> Note you may want to raise your proposal with the glibc team also in their
> strftime(3) interface; coreutils is hesitant to add new % modifiers in
> date(1) without prior practice from C libraries.
> 
> Note ruby uses %Q to give the number of milliseconds since epoch.
> So we might skip that?
> BTW 1 -> 1st etc. functionality might be useful to add to numfmt(1).
> 
> Note perl Date::Format uses %q to give the quarter number, starting with 1
> 
> I'd be 60:40 for adding it.

Propose patch attached,
which we can add after the corresponding gnulib patch lands.

date-%q.patch
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