You're most welcome!
Your question has sparked many great solutions. Here's one option that uses Mojo::DOM to parse the XML.
The parsing's in a subroutine, so you just send a dom object and the number, and a hash is returned with the requested data--if found:
use Modern::Perl;
use Mojo::DOM;
use Data::Dumper;
my $xml = <<'END';
<inventors type="array">
<inventor>
<city>Aston Clinton</city>
<name>Andy Barth</name>
<number type="integer">1</number>
<country>GB</country>
<upper-name>ANDY BARTH</upper-name>
</inventor>
<inventor>
<city>Aylesbury</city>
<name>Daniele Dall'Acqua</name>
<number type="integer">2</number>
<country>GB</country>
<upper-name>DANIELE DALL'ACQUA</upper-name>
</inventor>
<inventor>
<city>Calne</city>
<name>Nigel Drew</name>
<number type="integer">3</number>
<country>GB</country>
<upper-name>NIGEL DREW</upper-name>
</inventor>
</inventors>
END
my $dom = Mojo::DOM->new($xml);
my %record = getInventorNum($dom, 1);
print Dumper \%record;
sub getInventorNum {
my ( $dom, $num ) = @_;
my %hash;
$dom->find('number')->each(
sub {
if ( $_->text == $num ) {
for my $element ( @{ $_->parent->children } ) {
next if $element->type eq 'number';
$hash{ $element->type } = $element->text;
}
}
}
);
return %hash;
}
Dumper output of %record:
$VAR1 = {
'country' => 'GB',
'city' => 'Aston Clinton',
'upper-name' => 'ANDY BARTH',
'name' => 'Andy Barth'
};
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