shell> perl -MData::Dumper -e 'my %h = qw/foo bar baz quux/;
                               print Dumper \%h' > h.dump
shell> cat h.dump
$VAR1 = {
          'foo' => 'bar',
          'baz' => 'quux'
        };
shell> perl -MData::Dumper -e 'my $h = do "h.dump"; print Dumper $h'
$VAR1 = {
          'foo' => 'bar',
          'baz' => 'quux'
        };