TIMTOWTDI for sure :-) One - since decoding/encoding is reversible: 
#!/usr/bin/perl

use warnings;
use strict;

use HTML::TreeBuilder;

my $html = <<'HTML';
<a href="http://www.nowhere.com/?action=a1&amp;param=p1">Some text</a>
HTML

my $tree = HTML::TreeBuilder->new_from_content( $html );

for my $elt ($tree->look_down ('_tag', 'a')) {
    print "\nA " . HTML::Entities::encode($elt->attr ('href')) . "\n\n
+";
}

[download]

Others might involve hacking the modules you use.

--shmem 

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}

In reply to Re: How to get undecoded html entities with HTML::TreeBuilder by shmem
in thread How to get undecoded html entities with HTML::TreeBuilder by Krambambuli

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