Thanks Everyone. able to get just directory names using File::Basename. but can please someone show me how to store these basenames in some sort of array so that i can use them later part in the code.

Main script:

#! /usr/bin/perl

use strict;
use warnings;
use File::Basename;
use Data::Dumper;

my $base_dir = 'C:Input/INT';

my @dir = $base_dir;
my @dir_names;

while (@dir) {
   my $dir = pop(@dir);

   opendir(my $dh, $dir);

   my $file;
   while($file = readdir($dh)) {
      next if $file eq '.';
      next if $file eq '..';

      $file = "$dir/$file";

      if (-d $file) {
         push(@dir, $file);
         print basename($file);
         #@dir_names=basename($file);
         print "\n";
         } else {
 
      }
   }
}
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getting output as :

CAD
MH
COi
Dit
WMp
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Instead of that i need to store the directory base names in array say @dir_names and print them one by one like $dir_names[0] = CAD $dir_names1 = MH $dir_names2 = COi .. .. ..