You don't need to use blocks with Config::Tiny, it hides "global" variables under the _ key:

;;config
var1=foo
var2=bar
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readconfig.pl:

use Config::Tiny;
my $conf = Config::Tiny->read('test.ini');
require Data::Dumper;
print Data::Dumper::Dumper($conf);
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dump:

$VAR1 = bless( {
                 '_' => {
                          'var1' => 'foo',
                          'var2' => 'bar'
                        }
               }, 'Config::Tiny' );
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