Thanks, I was just running into this issue myself. Even several of the code snippets out there for threads do not take this into account. This one is used in several places

    use Thread; 
    $thr = new Thread \&sub1;

    @ReturnData = $thr->join; 
    print "Thread returned @ReturnData";

    sub sub1 { return "Fifty-six", "foo", 2; }
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It returns two. Some keywords: perl thread return values join multiple last array

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