GNU bug report logs - #25554
date: add iso-8601 week-format option

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Rami Lehti <rami.lehti <at> bitwise.fi>
To: bug-coreutils <at> gnu.org
Subject: date to support iso-8601 week-format (patch included)
Date: Fri, 27 Jan 2017 09:19:14 +0200

[Message part 1 (text/plain, inline)]

Hi,

Currently 'date -Iweeks' does not display the ISO 8601 standard's week
format. Neither does it support the ordinal format in that standard.
Attached to this message you will find a patch for this issue. The patch
has been made against latest git master branch. The patch itself is
trivial.

Please consider applying it coreutils.

Kind regards,
Rami Lehti

[iso-8601.weeks.patch (text/x-patch, attachment)]

Message #8 received at 25554 <at> debbugs.gnu.org (full text, mbox):

From: Pádraig Brady <P <at> draigBrady.com>
To: Rami Lehti <rami.lehti <at> bitwise.fi>, 25554 <at> debbugs.gnu.org
Subject: Re: bug#25554: date to support iso-8601 week-format (patch included)
Date: Fri, 27 Jan 2017 10:34:25 +0000

On 27/01/17 07:19, Rami Lehti wrote:
> Hi,
> 
> Currently 'date -Iweeks' does not display the ISO 8601 standard's week
> format. Neither does it support the ordinal format in that standard.
> Attached to this message you will find a patch for this issue. The patch
> has been made against latest git master branch. The patch itself is
> trivial.
> 
> Please consider applying it coreutils.

This looks useful thanks.

I'd probably present 'day of year' to the user in --help
rather than 'ordinal'.

I'll add a test and NEWS.

cheers,
Pádraig

Message #11 received at 25554 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Rami Lehti <rami.lehti <at> bitwise.fi>, 25554 <at> debbugs.gnu.org
Subject: Re: bug#25554: date to support iso-8601 week-format (patch included)
Date: Fri, 27 Jan 2017 14:22:16 -0800

I dunno, there are several ISO 8601 formats that 'date -I' doesn't have a 
special case for now; why add these particular shorthands? If we go down this 
route, shouldn't we also add shorthands for %Y%j, %GW%V, %G-W%V-%u, etc., etc.? 
Where will it stop?

Instead, perhaps we should just suggest to people that they use ordinary date 
formats, as standardized by POSIX. These should be more portable anyway. -I is 
meant as a convenience for interactive use, and I doubt whether people would 
want to use "date -Iweek" interactively much.

Message #14 received at 25554 <at> debbugs.gnu.org (full text, mbox):

From: Assaf Gordon <assafgordon <at> gmail.com>
To: Rami Lehti <rami.lehti <at> bitwise.fi>, 25554 <at> debbugs.gnu.org
Subject: Re: bug#25554: date to support iso-8601 week-format (patch included)
Date: Sun, 28 Oct 2018 01:59:45 -0600

retitle 25554 date: add iso-8601 week-format option
severity 25554 wishlist
tags 25554 wontfix patch
close 25554
stop

(triaging old bugs)

On 2017-01-27 3:22 p.m., Paul Eggert wrote:
> I dunno, there are several ISO 8601 formats that 'date -I' doesn't have 
> a special case for now; why add these particular shorthands? If we go 
> down this route, shouldn't we also add shorthands for %Y%j, %GW%V, 
> %G-W%V-%u, etc., etc.? Where will it stop?
> 
> Instead, perhaps we should just suggest to people that they use ordinary 
> date formats, as standardized by POSIX. These should be more portable 
> anyway. -I is meant as a convenience for interactive use, and I doubt 
> whether people would want to use "date -Iweek" interactively much.
> 

Given the above, and no further comments in more than a year,
I'm closing this as "wontfix".
Discussion can continue by replying to this thread.

-assaf

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