I have a function in an external file called with require: 
sub dvdr1_readvarsfromfile
{
    my($filename, $fn);
    
    &dvdr1_initblankvars;
    $filename=$numerodaficha;
    if (length($filename)<6){
        if ($filename<10) {$filename="00000".$filename}
        elsif ($filename<100) {$filename="0000".$filename}
        elsif ($filename<1000) {$filename="000".$filename}
        elsif ($filename<10000) {$filename="00".$filename}
        elsif ($filename<100000) {$filename="0".$filename}
    }
    $codnum=$filename;
    
    if ($_[0] eq ""){
        $filename=glob("$dvdr1orderdb_path\/$codnum.*");
    }
    else{
        $filename="$_[0]";
    }
    open (DB, "$filename") || (&erro("$!") && die);
    $fn=$filename;

...

[download]
The problem here is the glob:

when I call:

&dvdr1_readvarsfromfile the first time, the glob always finds the correct file.

When I call it the second time, even though I'm looking for a different file, and the value of $numerodaficha is different, glob always returns blank. Why and how can I solve it?

Thanks!

Edit kudra, 2001-10-02 Moved plaintext out of code tags

In reply to glob problem... by LFonseca

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.