$ perl 1201682.pl

$VAR1 = {
          '1' => [
                   '/tmp/0JbuMoAJix/bar/aa_bb_cc_R1_dd.tmp',
                   '/tmp/0JbuMoAJix/foo/aa_bb_cc_R1_dd.tmp'
                 ],
          '2' => [
                   '/tmp/0JbuMoAJix/baz/aa_bb_cc_R2_dd.tmp',
                   '/tmp/0JbuMoAJix/qux/aa_bb_cc_R2_dd.tmp'
                 ]
        };