bash-4.2$ perl dump
$VAR1 = {
          'params' => {
                        'FILE' => 'fileA',
                        'err' => '99'
                      },
          'script' => 'foo.pm',
          'par_global' => {
                            'FILE_READ' => 'fileB',
                            'err' => '99'
                          },
          'testset' => [
                         'test1'
                       ]
        };