#!/usr/bin/perl
use warnings;
use strict;
use Win32::TieRegistry (Delimiter => "/");
use Data::Dumper;

my $val;
my $val2;
my @set = (1,2);
my $watchcode = 0;
my $error;

unless (defined($ARGV[0])){
	foreach $val (keys %{ $Registry->{"Classes/"} }){
		if ($val =~ /^[.]/) {
			my %RegHash = %{ $Registry->{"Classes/$val"} };
			Dumper %RegHash = $error;
			while (@set = 2){
		 		@set = each %RegHash or die "failure to read registry: $! \nlast contents of Registry Hash = $error \n";
		 		if ($set[1] eq "/"){
			 		print "$val = $set[0]\n";
			 		$watchcode = 1;
		 		}
			}
			if ($watchcode == 0){
				die "failure to recognise association list: $!";
			}
		}
	}
};

##</code><code>##

Odd number of elements in hash assignment at E:\workspaces\perl\asoc.pl line 17.

Use of uninitialized value in list assignment at E:\workspaces\perl\asoc.pl line
 17.
Use of uninitialized value in string eq at E:\workspaces\perl\asoc.pl line 20.
Use of uninitialized value in concatenation (.) or string at E:\workspaces\perl\
asoc.pl line 19.
failure to read registry:
last contents of Registry Hash =