If it's only a really short hack, and the page doesn't contain the strings "http://" or "ftp://" outside of anchor tags, that'll be fine. For a slightly more sophisticated method, you can use the old mainstay HTML::TokeParser.
use HTML::TokeParser;
my $count = 0;
my $parsee = HTML::TokeParser->new('test.html')
or die "couldn't open test.html: $!";
while (my $tag = $parsee->get_tag('a')) {
$count++ if $tag->[1]{href} =~ m{(http|ftp)://}i;
}
print "There are $count links in this file.\n";
And if you ever want to do anything more complicated, which you probably will eventually, you have crazyinsomniac's superb tutorial to guide you.
--
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