I am using a module's "fetch" function, which returns a hash of data from a (LDAP) database. It's used as follows: 
my $data = $self->{'ldap'}->fetch(
    source => $self->{'config'}->{'ldap.base'},
    filter => "cn=$self->{'arg'}->{'host'}"
);

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This is useful because it organizes the data based on DNs: 
$data = {
  'cn=hostA,ou=Hosts,dc=company,dc=com' = {
    cn => 'hostA',
    ipAddress => '192.168.0.1',
  },
  'cn=hostB,ou=Hosts,dc=company,dc=com' = {
    cn => 'hostB',
    ipAddress => '192.168.0.2',
  }
}

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...and so on. The problem is, I am using this method to (occasionally) return only one DN. At the moment, I'm using the following code to transform $data so that it does not contain the DN key: 
map { $data = $data->{$_}; } keys %{$data};

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But I can only imagine that there must be a better way. Is there? The catch is to assume that the key (DN) is not known in advance.

Thanks.

-s.

In reply to Transforming hash (removing useless key) by sschneid

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