You can turn $r2 back into a data structure like this: 
my $data = eval "no strict; $r2";

[download]

The no strict is needed because the output from Data::Dumper has new variables without declaring them. Instead you could also tweak Data::Dumper's option prior to dumping.

In reply to Re: use of eval and Data::Dumper by moritz
in thread use of eval and Data::Dumper by Anonymous Monk

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