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  1. or download this
    $ perl -v | head -2 | tail -1
    This is perl 5, version 24, subversion 0 (v5.24.0) built for darwin-th
    +read-multi-2level
    ...
    $ perle 'use 5.024; my $x = \*STDERR; say "OUT"; say { $x->** } "ERR"'
    + 2> /dev/null
    OUT
    $