[Fwd] Re: Catch-22 problem with accessing $entry->{attrs} with perl-ldap-0.16-0.22

[Graham B. <gb...@po...>]

----- Forwarded message from Eric Nichols <eni...@cp...> -----

From: "Eric Nichols" <eni...@cp...>
To: "Graham Barr" <gb...@po...>
Subject: Re: Catch-22 problem with accessing $entry->{attrs} with perl-ldap-0.16-0.22
Date: Mon, 2 Oct 2000 19:16:09 -0400
X-Mailer: Microsoft Outlook Express 5.50.4133.2400

I'm not sure if this helps but I've used perldap and they have a nice way of
accessing the info:

$name=$entry->{cn}[0]
or
@names=$entry->{cn}

It's real nice because you can use it in loops etc.
hope this helps...
----- Original Message -----
From: "Graham Barr" <gb...@po...>
To: <per...@li...>
Sent: Friday, September 29, 2000 9:38 AM
Subject: Re: Catch-22 problem with accessing $entry->{attrs} with
perl-ldap-0.16-0.22


> In the latest release there is an $entry->exists( $attr ) method
>
> Graham.
>
> On Fri, Sep 29, 2000 at 07:53:30AM -0400, Eric Boehm wrote:
> > I recently upgraded from perl-ldap-0.13 to perl-ldap-0.22 and some code
I had
> > written broke.
> >
> > I dropped back to 0.13 and downloaded every version since then. The
problem
> > starts in perl-ldap-0.16 where attrs is a cache.
> >
> > I have code that looks like this
> >
> >     $mail_address = ${ $entry->get( $external_addr ) }[0]
> >       if ( $entry->{attrs}{$external_addr} );
> >
> >     unless ( $mail_address ) {
> >       $mail_address = ${ $entry->get( $internal_addr ) }[0]
> >         if ( $entry->{attrs}{$internal_addr} );
> >     }
> >
> > I did this to avoid error messages about uninitialized values. However,
I see
> > that in 0.16 the attrs hash doesn't get built until $entry->get is
called.
> >
> > So ... I have a catch-22 -- I can't check to see if an attribute exists
> > without getting a possibly non-existent attribute.
> >
> > Is there a better way to code for this situation? I tried a couple of
ways to
> > call _build_attrs directly but I couldn't seem to get the syntax right
> > ( $entry->_build_attrs and $entry->Net::LDAP::Entry::_build_attrs).
> >
> > Please cc to my email address as well as the list. I am trying to
subscribe to
> > the list but I don't know how long it will take.
> >
> > Thanks in advance,
> > --
> > Eric M. Boehm                               bo...@no...
>


----- End forwarded message -----