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  1. or download this
    perl -e '%h = ( q => 2, w => 2 ); print reverse %h = reverse %h'
    
  2. or download this
    perl -MData::Dumper -le '%h = (1 => 2, a=>"b", c => 2); %h = reverse (
    + %x = reverse %h); print Dumper({x => \%x, h =>\%h});'
    __OUTPUT__
    ...
                       'c' => 2
                     }
            };
    
  3. or download this
    perl5.8.4 -MData::Dumper -le '%h = (1 => 2, a=>"b", c => 2); %h = reve
    +rse ( %x = reverse %h); print Dumper({x => \%x, h =>\%h});'
    __OUTPUT__
    ...
                     }
            };