Reverend guys; -- The following code :
use strict;
use warnings;
use Data::Dumper;

my $path = shift @ARGV;
opendir (DIR, $path) or warn "Couldn't open $path: $!";
my @dirs = sort readdir(DIR);
closedir(DIR);
print "$path\n\t", Dumper(\@dirs);

[download]

Will print (for instance) :
C:\tmp>test.pl "C:\Documents and Settings\z6and\Desktop\x"
C:\Documents and Settings\z6and\Desktop\x
        $VAR1 = [
          '.',
          '..',
          '328-24.08.2006-14.30',
          '335-25.08.2006-06.40'
        ];

[download]
in a directory containing two subdirectories (besides the current & parent dirs; -- this is as expected).

But when i change line 7 to my @dirs = sort grep { -d } readdir(DIR); i get :
C:\tmp>test.pl "C:\Documents and Settings\z6and\Desktop\x"
C:\Documents and Settings\z6and\Desktop\x
        $VAR1 = [
          '.',
          '..'
        ];

[download]
which is NOT what i expect, as all four entries in the above listing are indeed directories...

Any explanation of this behaviour ?
Best regards/
Allan

In reply to -d misses some directories ? by ady

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.