YEsterday i posted a reference problem I have solved myself :) But now I'm stuck on another little problem: 
use strict;

use Tie::IxHash;


my %login;

{
tie( my %csv, 'Tie::IxHash',

  'one'   => undef,
  'two'   => undef,
  'three' => undef,
  'four' => undef,
  'five' => undef,
  );
  $csv{one} = "11";
  $csv{two} = "12";
  $csv{three} = "13";
  $csv{four} = "14";
  $csv{five} = "15";

  $login{1} = \%csv;
}

{
tie( my %csv, 'Tie::IxHash',

  'one'   => undef,
  'two'   => undef,
  'three' => undef,
  'four' => undef,
  'five' => undef,
  );
  $csv{one} = "11";
  $csv{two} = "12";
  $csv{three} = "23";
  $csv{five} = "25";

  $login{2} = \%csv;
}{
tie( my %csv, 'Tie::IxHash',

  'one'   => undef,
  'two'   => undef,
  'three' => undef,
  'four' => undef,
  'five' => undef,
  );

  $csv{one} = "31";
  $csv{three} = "23";
  $csv{four} = "34";
  $csv{five} = "25";

  my $match = "2";

  my %union;
  while (my ($k,$v) = each %login) {
      if ($k eq $match) {
        print "MATCH\n";
        while ( my ($k, $v) = each %$v ) { $union{$k} = $v; }
        while ( my ($k, $v) = each %csv ) { $union{$k} = $v; }
        print map{$_ ."=". $union{$_} ."\n"} keys %union;
      } else {
        print "NO MATCH\n";
        while ( my ($k, $v) = each %$v ) { print $k ."=". $v."\n"; }
      }

  }
}

[download]
This demo code can be run... But as you can see the union doesn't work! It will show that there isn't a union of the 2 hashes but only a print of the last hash.
If I make a union that way in another small script, it works perfect. But when I do it in this bigger example it doens't work anymore. Suggestions?

--
My opinions may have changed,
but not the fact that I am right

In reply to Union of 2 hashes don't work. by toadi

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