Re: perl-ldap-dev digest, Vol 1 #139 - 1 msg

[Javier R. <te...@rd...>]

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From: <per...@li...>
To: <per...@li...>
Sent: Thursday, October 12, 2000 9:15 PM
Subject: perl-ldap-dev digest, Vol 1 #139 - 1 msg


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> Today's Topics:
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>   1. Net::LDAP::LDIF::write_cmd with unchanged entry (Chris Brierley)
>
> --__--__--
>
> Message: 1
> From: Chris Brierley <bri...@po...>
> To: per...@li...
> Subject: Net::LDAP::LDIF::write_cmd with unchanged entry
> Date: 11 Oct 2000 16:04:05 -0400
>
> I've noticed some behavior that I didn't expect with
> Net::LDAP::LDIF::write_cmd.  I don't know if this is a bug or
> planned, but it caught me off guard.
>
> It seems that write_cmd causes a fatal error if called on an entry
> that has not been changed.  E.g. I'm iterating over a bunch of
> entries, making changes if they are necessary, and writing out an
> LDIF file which represents the change with:
>
>     Net::LDAP::LDIF->new(\*LDIF_FINAL)->write_cmd($entry);
>
> If $entry has *not* been changed, my program dies with:
>
> ,----
> | Can't use an undefined value as an ARRAY reference at
/usr/lib/perl5/site_perl/5.005/Net/LDAP/Entry.pm line 278.
> `----
>
> That's the changes subroutine:
>
> ,----
> | sub changes {
> |   @{shift->{'changes'}}
> | }
> `----
>
> An entry which is returned from a search and not changed does not
> have a changes key, and thus the above routine dies.
>
> I can easily work around this by keeping track of whether I modify
> the entry or not and only call write_cmd if it's been modified
> .. but this behavior was very unexpected to me.  Should'nt
> write_cmd simply not write anything out if there is nothing to
> change?
>
> Thanks.
>
>
>
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