G'day herpderpderp,

Welcome to the monastery.

The basic coding for this is pretty straightforward:

$ perl -Mstrict -Mwarnings -E '
    my @dir_files = qw{. .. .hidden.html a.txt b.pdf c.html d.pl e.sql
+ f.xml g.h.i.html};
    my @files = grep { ! /^[.]{1,2}$/ and /[.]html$/ } @dir_files;
    say qq{<a href="$_">$_</a>} for @files;
'
<a href=".hidden.html">.hidden.html</a>
<a href="c.html">c.html</a>
<a href="g.h.i.html">g.h.i.html</a>
[download]

Modules that might help with this: File::Find (Builtin Module); File::Find::Rule (CPAN Module).