mam this output only i have from your code see the error inner keys are not replaced 

_OUTPUT_
$VAR1 = {
          '1' => [
                   {
                     'b' => [
                            {
                              'e' => [
                                     'E',
                                     'G'
                                   ],
                              'c' => [
                                     'C'
                                   ],
                              'content' => 'B
'
                            }
                          ],
                     'content' => 'A
',
                     'd' => [
                            {
                              'content' => 'D
',
                              'x' => [
                                     'C'
                                   ],
                              'z' => [
                                     'E',
                                     'G'
                                   ]
                            }
                          ]
                   }
                 ]
        };
_INPUT_
my %xhash=('a' => [
                 {
                   'b' => [
                          {
                            'e' => [
                                   'E',
                                   'G'
                                 ],
                            'c' => [
                                   'C'
                                 ],
                            'content' => 'B
'
                          }
                        ],
                   'content' => 'A
',
                   'd' => [
                          {
                            'content' => 'D
',
                            'x' => [
                                   'C'
                                 ],
                            'z' => [
                                   'E',
                                   'G'
                                 ]
                          }
                        ]
                 }
               ]);
my %c_hash=('a' => {
                   'addval' => {
                                 'b' => {
                                          'addval' => {
                                                        'e' => {
                                                                 'addv
+al' => {},
                                                                 'repv
+al' => '5'
                                                               },
                                                        'c' => {
                                                                 'addv
+al' => {},
                                                                 'repv
+al' => '3'
                                                               }
                                                      },
                                          'repval' => '2'
                                        },
                                 'd' => {
                                          'addval' => {
                                                        'x' => {
                                                                 'addv
+al' => {},
                                                                 'repv
+al' => '10'
                                                               },
                                                        'z' => {
                                                                 'addv
+al' => {},
                                                                 'repv
+al' => '11'
                                                               }
                                                      },
                                          'repval' => '4'
                                        }
                               },
                   'repval' => '1'
                 });

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In reply to Re^2: update required for subroutine by satzbu
in thread update required for subroutine by satzbu

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