[ic] Re: creating a temporary page variable

[Ed LaFrance]

At 03:49 AM 8/30/2002 -0400, you wrote:
>Quoting Stefan Hornburg (Racke) (racke@linuxia.de):
> > mike@perusion.com writes:
> >
> > > Quoting Jeff Dafoe (jeff@badtz-maru.com):
> > >> >  [tmp some_scratch] something [/tmp]
> > >> >
> > >> > it goes away after the current page.
> > >>
> > >>     I think the tag reference is wrong.  It says for tmp:
> > >>
> > >> "Sets a scratch variable to value, but at the end of the user 
> session the
> > >> Scratch key is deleted"
> > >
> > > That is actually correct. I don't know where your confusion lies...
> > >
> > >>
> > >>     That is what confused me.  I went ahead and made a note in the 
> online
> > >> reference to reflect the information you provided.  Thanks for the
> > >> additional information, as I was also wondering about the lifetime of
> > >> variables used in embedded perl.
> > >>
> > >
> > > All variables in IC, except for ones stored in the user session,
> > > last only for that page. Even if you set $Config, which you actually
> > > see quite frequently, it will return to the catalog.cfg value on
> > > the next access.
> >
> > The grand exception is $Variable, where changes are persistent even
> > across sessions, so if you change a variable for one customer, the
> > next will get the changed value in another session.
>
>Only if you change the file or data object underlying it, and that
>is presuming you have "Pragma dynamic_variables" set.
>
>Just assigning to $Variable in embedded Perl will do nothing....
>
>--
>Mike Heins

Really splitting hairs now, but I've found that, even without the 
above-mentioned Pragma directive, catalog Variables can be reassigned in an 
Autoload routine, provided that they were intially set in catalog.cfg with 
Variable directives, as opposed to being set from a VariableDatabase read. 
Make sense?

- Ed L.


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