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  1. or download this
    $ perl -le " for(1..3){ my$f=$_; print\$f; }"
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  2. or download this
    $ perl -le " sub ff { my $f = $_; return \$f } print ff() for 1..3;"
SCALAR(0x3f9bcc)
SCALAR(0x3f9bbc)
SCALAR(0x3f9bcc)