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  1. or download this
    U:\proj>perl -MO=Deparse -e "print $a + $b"
print $a + $b;
...
U:\proj>perl -MO=Deparse -e "print $a +$b"
print $a $b;
-e syntax OK
  2. or download this
    U:\proj>perl -MO=Deparse -e "print $a +$b"
$a->print $b;