Sort::Key::Maker can simplify those multikey sortings a lot 
use Sort::Key::Maker sort_long_strings_first =>
     sub { length $_, lc $_ },
     qw(int -str);

foreach (sort_long_strings_first @$raw_hash_keys_ar) {
    #do_stuff;
}

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In reply to Re: Accessing $a and $b of 'sort' across package boundaries by salva
in thread Accessing $a and $b of 'sort' across package boundaries by ff

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