Simplifying a little 

#!/usr/bin/perl

use strict; # https://perlmonks.org/?node_id=11150757
#use warnings; # uncomment for newer perls

my $target = "/home/zsolti/Temp";
$target = '../mnt/home/old'; # FIXME for testing on my system
my @exclude = (
  #'2023_02_21_Szentendre_Pilis_EK_oldal'
  'webftp'
 ,'x'
);

my (@audioFiles, %playList);
my $numOfRandFiles = 10;

my @stack = $target;
while( my $path = pop @stack )
  {
  grep $path =~ /\/\Q$_\E\z/, @exclude and next;
  push @audioFiles, grep -f, <$path/*.mp3>;
  push @stack, grep -d, <$path/*>;
  }

$playList{ splice @audioFiles, rand @audioFiles, 1 or last } = $_
  for 1 .. $numOfRandFiles;

printf "%3d %s\n", $playList{$_}, $_ for sort keys %playList;

[download]

In reply to Re^3: Add a fixed number of unique elements to hash by tybalt89
in thread Add a fixed number of unique elements to hash by Vasek

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.