my %folders = (
    4464 => 'foldername_1',
    4465 => 'foldername_2',
    4466 => 'foldername_3',
);

my @subfolders = split /\n/, <<'SUBFOLDER_LIST';
Folder 1298 - foldername_ten.
   subfolder 1299.
   subfolder 1300.
Folder 1299 - foldername_eleven.
   No sub folders.
Folder 1300 - foldername_twelve.
   No sub folders.
Folder 1311 - foldername_thirteen.
   subfolder 1317.
   subfolder 1318.
   subfolder 1958.
SUBFOLDER_LIST
    ;

##</code><code>##

use Data::Dumper;

sub mock_build_path {
    my $folderid = shift @_;
    my @dumpff = @_;

    my @paths;
    push @paths, 'example/1';
    push @paths, 'example/2';
    push @paths, 'example/3';

    return \@paths;
}

my %folderpaths;
$folderpaths{ '1337' } = mock_build_path( 1234, 'stuff' );

print Dumper \%folderpaths;

my ( $mkpath, @linkpaths ) = @{ $folderpaths{ '1337' } };
print "make path: $mkpath\n";
print "link paths: ", join( q{, }, @linkpaths ), "\n";   
__END__
$VAR1 = {
          '1337' => [
                      'example/1',
                      'example/2',
                      'example/3'
                    ]
        };
make path: example/1
link paths: example/2, example/3