#! c:/perl/bin/perl.exe
#
use strict;
use warnings;
use Data::Dumper;

my ($Rec,$pc_name);

undef $/;
open (LST,"c:/tim/showtech".$ARGV[0].".txt") || die "$!\n";
my $Switch_Data =<LST>;
close LST;

my @Switch_Array = split(/\*{66}\n/, $Switch_Data);

for (@Switch_Array)
{
	next unless (/show port-channel database/);
	$pc_name = $1, next if (/(port-channel \d+)$/);
	$Rec->{$pc_name}->{$1} = $2 if (m|(fc\d+/\d+)\s+\[(\w+)\]|);
	#print "$_\n";
}


##</code><code>##

Use of uninitialized value in hash element at C:\Perl\Vodafone\pm_data_chunks2.p
l line 20.