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my @arr = ( { 'path' => '/c/', dir => '/' }, ... # compare lc $$a{'path'} cmp lc $$b{'path'}; }
/c/ /c/aa/ ... /c/a2.mp3 <<<< file! should at the end of the list /c/bb/aa1.mp3 <<<< this should be below /c/bb/ /c/bb/aa2.mp3 <<<< this should be below /c/bb/