#!/usr/bin/perl
use strict;
use warnings;

use Data::Dumper;


my $data1 = [
{
   'NAME' => '1PAUL DY',
   'DATE' => '12009-05-05',
   'NUMBER' => '100001',
   'ACC' => '1A1A',
 },
 {
   'NAME' => '2PAUL DY',
   'DATE' => '2011-01-05',
   'NUMBER' => '200331',
   'ACC' => '2A3B',
 },
 {
   'NAME' => '4PAUL DY',
   'DATE' => '42011-01-05',
   'NUMBER' => '4200331',
   'ACC' => '6A4B',
 },
 ];

my $data2 = [
  {
    'EXT1' => '1b',
    'EXT2'  => '12b',
    'EXT3' => '13b',
    'EXT4' => '14d',
    'ACC' => '1A1A',
  },
    {
    'EXT1' => '2b',
    'EXT2'  => '2b',
    'EXT3' => '2b',
    'EXT4' => '2d',
    'ACC' => '2A3B',
  },
  {
    'EXT1X' => '4b',
    'EXT2X'  => '4b',
    'EXT3X' => '4b',
    'EXT4X' => '4d',
    'ACC' => '4A4B',
  },
];


# Merge all the data

my @all_data;

 foreach my $one_data ( @{ $data1 } ) {

    my $sec_data = shift @{ $data2};
    
    push @all_data, { %{ $one_data }, %{ $sec_data } };
    
 }


print Dumper \@all_data;