find_duplicate_nohash.pl

#!/usr/bin/perl

use strict;
use warnings;
use File::Find;
use Digest::MD5;

# Store all results
my @result = ();

# find_duplicated(@dir_list)
sub find_duplicated(@)
{
    my @dir_list = @_;
    if ($#dir_list < 0) {
        return (undef);
    }

    my @files; 
    
    # Here is the list of files under the the @dir_list array
    # Polulate @files here.

    # My MD5 Hash
    my %md5;	
    # Loop on what we find by md5
    foreach my $file (@files){
       next if $file =~ /^\.\.?$/;
       open(FILE, $file) or next;
       binmode(FILE);
       push @{$md5{Digest::MD5->new->addfile(*FILE)->hexdigest}}, $file;
       close (FILE);
    }
    foreach my $hash (keys %md5){
    	if ( $#{$md5{$hash}} >= 1 ) {
            push (@result, [@{$md5{$hash}}]);
        }
    }
    return @result
}

my @duplicated_files = find_duplicated(@ARGV);

foreach my $cur_dump (@duplicated_files){
    print("Duplicated files:\n");
    foreach my $curl_file (@$cur_dump){
        print ("\t$curl_file\n");
    }
}