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  1. or download this
    #!/usr/bin/perl -w
    use warnings;
    ...
        say $msg;
        return;
    }
    
  2. or download this
    $ ./eval_with_loop.t 
    1..20
    ...
    ok 18 - C: stdout as expected (OK 500)
    ok 19 - C: stderr as expected (emtpy)
    ok 20 - C: exit-value as expected (0)