Moin,

On Wednesday 05 April 2006 20:46, H.Merijn Brand wrote:
> On Wed, 5 Apr 2006 18:30:33 +0200, Tels <[EMAIL PROTECTED]> 
wrote:
> > Moin,
> > On Wednesday 05 April 2006 06:57, Adam Kennedy wrote:
> > > chromatic wrote:
> > > > On Tuesday 04 April 2006 10:32, Tels wrote:
> > [snip]
> > > > I'm trying to figure out why I've been sending patches to p5p for
> > > > about five years now if people complain when I take advantage of
> > > > the bugs they fix.  At some point, it would be nice if people
> > > > were to use software released this millennium.
> > > Ever written software for government?
> >
> > Yes. And I don't know which parts of the mystical government you
> > speak off, but people everywhere are pretty pissed of when they have
> > to work with 10 year old software.
>
> We *only* have local government as customers, and they get *my* perl,
> installed in *our* tree. Of course my perl includes defined-or :)

:o)

> > Hell, there are problems getting hardware that still runs that old
> > stuff.
> >
> :)
>
> One customer ran production on a system so old that they didn't dare to
> reboot it, because they were affraid it was not going to boot again.
> OK, that was 6 years ago, but still, government is a strange customer.

You will laugh, but the most common hardware failure occurs due to 
power-down/power-up cycles. Systems run happy for months, even years, 
shut them down, let them cool, boot them up, and the HD, power supply or 
mainboard is dead.

That's why you use a lot and big UPS.

Government indeed is strange. Some parts of it can't buy ink for the 
printer, let alone a new HD, others blow a million on a new data center. 
Usually, both parts sit in the same building :-P

> > > It's routine to be required to offer a 10 year support period.

> > Yes, but that does not mean that you need to upgrade the installation
> > with "the-latest-foo-bar-from-cpan-which-just-breaks-on-5.004". You
> > just keep the system as it is and patch when breakage really occurs.
> > :)
>
> I don't care if their default perl breaks down. That would be their
> fault. As long as they don't break mine. Perl has the advantage of not
> being tied to "this product *must* be installed in /usr (and yes, we
> *do* have a third party that still sets that requirement for their
> product), symlinks to the rescue.

Yeah, but if you install your own Perl, then the modules you use can work 
with it, hence there is no requirement for Foo-Bar to actually run under 
5.004. That was my main point :D

It's like saying that $LatestGame must run under Win95, just because there 
are a few people who insist that they use it.

I hate upgrade cycles as much as everyone else, but even more annoying are 
people stuck in the last decade :D

> > > This comes up more often that you might think.
> > >
> > > And so as my gold standard for back-compatability, I use 10 years.
> > > A decade is a nice round number.
> >
> > Ugh - but at least we don't have 16 fingers :)
>
> 5.8.3 is the minimum to accept for me, and it should have defined-or

I use 5.8.0 as minimum, but for unicode I think it should be 5.8.1 - but I 
am unsure. COuld you give a reason for why specifically 5.8.3?

best wishes,

Tels

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