456642 -channel 1 -a 1 -b 1 -c 1 -channel 1 -a 2 -c 2 it prints only
$VAR1 = {
            '1' => {
                   'c' => '2',
                   'a' => '2'
                 }
        };

##</code><code>##

$VAR1 = {
          '1' => {
                   'c' => '1',
                   'a' => '1',
                   'b' => '1'
                 },
          
          '1' => {
                   'c' => '2',
                   'a' => '2'
                 }
        };