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in reply to If exists (hash)

    {$image = "$web$xml->{result}->{covers}->{1}->{content}";}
        else{$image = "$web$xml->{result}->{covers}"}

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Have you read the FAQ:

What's wrong with always quoting "$vars"?

Do you really need to make a copy of $web$xml->{result}->{covers}->{1}->{content} or $web$xml->{result}->{covers}?

In Section Seekers of Perl Wisdom