I'll try to post it, see if it makes more sense.

main

use strict;
use warnings;

use File::Basename qw(dirname);
use Cwd qw(abs_path);
use lib dirname(dirname abs_path $0);

use Library;

print STDOUT $hash{"key"} . "\n";

exit 0;
[download]

this works

Library.pm

package Library;
use strict;
use warnings;

use Exporter qw(import);

our @EXPORT = qw(
    %hash
);

our %hash = (
    "key" => "Hello world!"
);

1;
[download]

these don't work

Library2.pm

package Library2;
use strict;
use warnings;

our @EXPORT = qw(
    return_string
);


sub
return_string
{
    return "Hello embedded library";
}
[download]

Library.pm

package Library;
use strict;
use warnings;

use Exporter qw(import);

our @EXPORT = qw(
    %hash
);

use File::Basename qw(dirname);
use Cwd qw(abs_path);
use lib dirname(dirname abs_path $0);

use Library2;
package Library2;

our %hash = (
    "key" => return_string()
);

1;
[download]

I can understand it looks like the namespaces are overlapping, but the definition isn't exported even with 'our'. Just fiddled around with it, I can do our %hash = (); BEFORE the package othernamespace, and export the modification. That'll work for my case, but I'd rather not have 3-4 places I need to put the hash instead of just export and our. It seems my gripe is that a variable declared before the package othernamespace trickles down, but a variable declared after the package othernamespace doesn't trickle up when it's the same file, even though there's no complaint about the definition in another namespace and not in the original.

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