If by "align" you mean "insert a number of spaces (or a tab) at the start of each line", you're half-way there already 
my $d = Dumper $hash;;
$d =~ s/^/\t/gm;
print $d; # now indented

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In reply to Re: making dumper to align perfectly by moritz
in thread making dumper to align perfectly by Anonymous Monk

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