HTML::TreeBuilder is a pretty good tool for this sort of work, especially if the format of the HTML is consistent for the data you need to extract. Consider:

use strict;
use warnings;
use HTML::TreeBuilder;


my $root = HTML::TreeBuilder->new ();

$root->parse_file (*DATA);

for ($root->look_down ('_tag', 'a')) {
    my $href = $_->attr ('href');

    next if ! $href;
    
    my $sib = $_->right ()->right ();
    my $number = $sib->as_text ();
   
   print "$href: $number\n";
}

__DATA__

[download]
<a name="a"></a>
<h2>A</h2>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
   <tr>
      <td>
         <table id="a" border="1" bordercolor="#333366" cellpadding="5
+" cellspacing="0" width="100%">
            <tr>
               <td width="33%" class="clsTableBody" valign="top" id="f
+irstCol">
                    <a href="pdf\c76b834e-36e1-497b-b13e-eba2348dc044.
+pdf" target="_blank">Abbott, Evelyn</a><br/><span>110136892</span><br
+/>
                    <a href="pdf\8a956f66-1c60-48fc-905c-b49d617aa6c5.
+pdf" target="_blank">Agnew, Thomas</a><br/><span>110377660</span><br/
+></td>
               <td width="34%" class="clsTableBodyClear" valign="top" 
+id="secondCol"><a href="pdf\37d3e78b-1adb-458b-9e89-0df780909f08.pdf"
+ target="_blank">Allison, David</a><br/><span>108116112</span><br/><a
+ href="pdf\6c0a5bb4-143d-4305-957b-796c8193d07a.pdf" target="_blank">
+Allison, Gary Owen</a><br/><span>116815754</span><br/></td>
               <td width="33%" class="clsTableBody" valign="top" id="t
+hirdCol"><a href="pdf\ae8d51e0-005b-44be-84cb-3c9b57335755.pdf" targe
+t="_blank">Arsenault, Michael</a><br/><span>108318866</span><br/><a h
+ref="pdf\e646f948-f78d-4463-a01d-0261aebf70dc.pdf" target="_blank">Ar
+senault, Normand A.</a><br/><span>113069066</span><br/></td>
            </tr>
         </table>
      </td>
   </tr>
</table>

[download]

Prints:

pdf\c76b834e-36e1-497b-b13e-eba2348dc044.pdf: 110136892
pdf\8a956f66-1c60-48fc-905c-b49d617aa6c5.pdf: 110377660
pdf\37d3e78b-1adb-458b-9e89-0df780909f08.pdf: 108116112
pdf\6c0a5bb4-143d-4305-957b-796c8193d07a.pdf: 116815754
pdf\ae8d51e0-005b-44be-84cb-3c9b57335755.pdf: 108318866
pdf\e646f948-f78d-4463-a01d-0261aebf70dc.pdf: 113069066

[download]
DWIM is Perl's answer to Gödel

In reply to Re: Process a HTML file to get information from it. by GrandFather
in thread Process a HTML file to get information from it. by Griffler

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.