$cells is unititialized because the "find stuff between these to comments" match is failing.

The pattern's looking for the shortest string it can find between the start and end comments for the content include, throwing away any leading spaces. Here's how it breaks down: 

    \s+       # one or more spaces - don't capture these
     (        # start capturing
        .+?   # one or more anythings, shortest match to what follows
     )        # end capture

[download]
Check the text of the page in $content; my guess is that the Groups folks have reformatted their pages, and the comments that this match is looking for have changed.

In reply to Re^3: PERL scripts-Yahoo Groups Download-i get an error by pemungkah
in thread PERL scripts-Yahoo Groups Download-i get an error by Expansion

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.