Belowis the code that executes in system but not executing in my system 
use LWP::Simple;
use URI::Escape;
use HTML::TreeBuilder;
use Try::Tiny;

my $look_for = "perl";

my $contents
  = get "http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Dstr
+ipbooks&field-keywords="
  . uri_escape($look_for);
        

my $html = HTML::TreeBuilder->new_from_content($contents);
for my $item ($html->look_down(id => qr/result_\d+/)) {
    # $item->dump;      # find out structure of HTML
    my $author = try { $item->look_down(class => 'ptBrand')->as_trimme
+d_text };
 
    print "$author\n";
}
$html->delete;

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In reply to Use of uninitialized value in subroutine entry at C:/Perl/lib/HTML/TreeBuilder.p m line 108. by kanthsri

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