Ad 1:
#!/usr/bin/perl
use warnings;
use strict;

use Data::Dumper;

my $struct = [{a => 12, b => 14}, {arr => [5, 6, 7]}];
$Data::Dumper::Sortkeys = 1;
my $dump = Dumper($struct);
print $dump;
my $copy = eval "my $dump";
print Dumper $copy;

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If your structure contains references into itself or code refs, you also need $Data::Dumper::Purity and $Data::Dumper::Deparse. The second one can introduce bugs.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In reply to Re: Data::Dumper: What the Cabal doesn't want you to know. by choroba
in thread Data::Dumper: What the Cabal doesn't want you to know. by Cow1337killr

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