Another useless use of /o.

(added)Far More Than Everything You've Ever Wanted to Know about Prototypes in Perl and When to use Prototypes? - in this case you shouldn't

Now with that out of the way, the general problem is to decide whether you have non-markup text. You could further generalize and include images in your "non-blank" idea but that just makes life harder. I'd probably want you to use something like HTML::TokeParser and make your markup/non-markup decisions that way. For the moment though, this will work, sort-of. You should decide whether you want to use my cheap-n-dirty test or do it properly.

sub isHTMLEmpty {
    my $filename = shift;

    local *HTML;
    local $/;
    open HTML, "<", $filename or die "Couldn't open $filename for read
+ing: $!";
    my $html = <HTML>;
    close HTML;

    $html =~ s(<[^>]*>)()g;
    $html =~ s/\s+//g;
    return !! $html;
}

[download]

In reply to Re: How to decide if an HTML is expendable? by diotalevi
in thread How to decide if an HTML is expendable? by monsieur_champs

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.