use XML::Twig;
my $file = "C:/test2.xml";

my $tmp;
$tmp = XML::Twig->new();
$tmp->parsefile($file);
my $root = $tmp->root;


foreach my $product($root->children('doc')){
  my @para=$product->first_child_text('para');
    print @para;
}

##</code><code>##

<para>aaaaaaaaaaaaaaaaa  dsnbbtejk</para>
<para>aldmflskddddddddddddddddddffffffffffffff</para>