[ic] time and convert_date oddities
Mike Heins
mike at perusion.com
Mon Aug 8 11:09:31 UTC 2011
Quoting Paul Jordan (paul at gishnetwork.com):
> > Mike says...
> > Quoting Paul Jordan (paul at gishnetwork.com):
> > >
> > > I was noticing some differences of using "%X" in the below, and
> > > found an additional head scratcher.
> > >
> > > Test code:
> > > [time fmt="%X"]<br />
> > > [convert_date fmt="%X"][time fmt="%Y-%m-%d
> %H:%M:%S"][/convert_date]
> > > [convert_date fmt="%X"]2011-08-07 12:34:56[/convert_date]
> > >
> > > Produces this:
> > > 02:51:44
> > > 02:51:00 AM
> > > 12:34:00 PM
> > >
> > > The first thing I notice is that AM/PM is added when using
> > > convert_date, and the docs don't show %X as outputting this. The
> > > second thing I notice is that the seconds place is always 00 for
> > > convert_date. I don't need the seconds in this case, I'm just
> trying
> > > to be complete in my observations.
> > >
> > > Are these expected, bugs, or am I misunderstanding some usage?
> >
> > What I don't understand is why you want to use %X. It's behavior
> > is indeterminate as far as Interchange or Perl is concerned -- it's
> > the OS doing what it does.
>
> I just thought I could use it in formatting dates and times as per:
>
> [1]http://docs.icdevgroup.org/cgi-bin/online/glossary/time.html
>
> I had to abandon it because I needed something more reliable
> like %H:%M:%S.
The docs should really say
see strftime(3) for authoritative information
The real definition of %X is:
%X The preferred time representation for the current locale without the date.
--
Mike Heins
Perusion -- Expert Interchange Consulting http://www.perusion.com/
phone +1.765.328.4479 <mike at perusion.com>
Life isn't fair, but it's good. -- Regina Brett
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