jdlev:

Thanks for making the effort of making your code clear enough to read. Unfortunately, you worked too hard to do it. You could've just put <c> before your code and </c> after it, and it would all be formatted nicely. Just so you know...

Anyway, as ikegami mentions, you didn't assign anything to $fdr. Since a variable is undefined until you assign something to it, then you need only assign the proper value to it before you use it. So perl is just letting you know that you're reading (and presumably using) a value that you haven't defined yet.

...roboticus

When your only tool is a hammer, all problems look like your thumb.

In reply to Re: Another Dumb Noob Question - Arrays & Scalar Variables by roboticus
in thread Another Dumb Noob Question - Arrays & Scalar Variables by jdlev

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.