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  1. or download this
    $gv = *x; @$gv  =>  @x
  2. or download this
    $gv = *x;
$gv{ARRAY}    # Obviously wrong.
*$gv{ARRAY}   # Ok
  3. or download this
    print(STDOUT + 2)   =>  print( { STDOUT } 2 )
  4. or download this
    print(*STDOUT + 2)  =>  print( { select() } *STDOUT+2 )
print(*$x + 2)      =>  print( { select() } *$x+2 )
print($x + 2)       =>  print( { select() } $x+2 )