$VAR1 = 'FILE_A';
$VAR2 = {
          'CHECK_1' => {
                                     'JAPAN' => {
                                                         'A' => 1
                                                       },
                                     'CHINA' => {
                                                         'B' => 2
                                                       },
                                     'MALYA' => {
                                                         'C' => 1
                                                       },
                                     'EUROP' => {
                                                         'D' => 1
                                                       }
                                   }
        };
$VAR3 = 'FILE_B';
$VAR4 = {
          'CHECK_2' => {
                                     'JAPAN' => {
                                                         'A' => 1
                                                       },
                                     'CHINA' => {
                                                         'B' => 1
                                                       },
                                     'EUROPE' => {
                                                         'C' => 1
                                                       }
                                   }

##</code><code>##

FILE_NAME	A	B	C	D
CHECK		2	3	2	1

##</code><code>##

FILE_NAME	A	B	C	D
CHECK		1	2	1	1