bug#6453: coreutils: date -- Add new options for ISO 8601 date formats (-O)

[Eric Blake]

[I repeat - PLEASE keep the list/bug-tracker in the loop, if you expect
anything to be done about your requests]

On 06/18/2010 12:18 PM, jari wrote:
> On 2010-06-18 11:43, Eric Blake wrote:
> | So, before anyone writes such a patch, what TIMESPEC options do you
> | propose would make the most sense for a new --iso-8601 command-line
> | option?  And, seeing that RFC 3339 was derived from ISO 8601, do we even
> | need a new option, or is the existing behavior already present?  In
> | other words, I'd still like to know what particular shortcuts you feel
> | are worth adding.
> 
> I'm so used to 8601, so I dind't see the option --rfc-3339 from
> date(1) at first. Here are few commets:
> 
> 
>        --rfc-3339=TIMESPEC
>               output date and time in RFC 3339 format.
>               TIMESPEC=`date', `seconds', or `ns' for date and time to
>               the indicated precision.  Date and time components are
>               separated by a single space: 2006-08-07 12:34:56-06:00
> 
> Additions to -rfc-3339 option
> -----------------------------
> 
> Current:
> 
>       --rfc-3339="date"       2010-06-18
>       --rfc-3339="seconds"    2010-06-18 21:08:05+03:00
> 
> It would be nice to have also without timezone:
> 
>       --rfc-3339="time"       2010-06-18 21:08:00     (no TZ)
>       --rfc-3339="word"       2010-06-18T21:08:00     (single word with 
> seconds)
> 
> New option --iso8601
> --------------------
> 
> The 3339 is mostly unknown in the field, but almost everybody
> recognize 8601, so I'd like to suggest a shorthand for the most
> commonly used format (e,g, for log entries):
> 
>       --iso8601
> 
> That would be same as the long option:
> 
>        --rfc-3339="time"
> 
> Perhaps also "memory friendly":
> 
>       --iso8601="tz"
> 
> Which would be equivalent for:
> 
>         --rfc-3339="seconds"
> 
> Jari
> 
> 
>       

-- 
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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