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my $data = "this is a string of text";
my @dataset = qw( this is an array of text );
my %datagroup = ( hash => "mine", text => "yours" );

use Storable;
my $stored = freeze [ \$data, \@dataset, \%datagroup ];

...

my ($newdata, $newdataset_ref, $newdatagroup_ref) = @$thawed;    # cop
+ies of original variables
(*data, *dataset, *datagroup) = @$thawed;    # restore into the origin
+al variables

use FreezeThaw;

my $stored = freeze (\$data, \@dataset, \%datagroup);
...
my ($newdata, $newdataset_ref, $newdatagroup_ref) = @thawed;

(*data, *dataset, *datagroup) = @thawed;

my $stored = Data::Dumper->Dump( [ $data, \@dataset, \%datagroup ],
                                 [ qw(data *dataset   *datagroup )] );

print $stored;

eval $stored;

$hi = bless( {
        'Data' => {},
        'Container' => 'Container',
...
        'main' => sub { "DUMMY" },
        'say_hi' => sub { "DUMMY" }
    }, 'Hello::Hi' );