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  1. or download this
    $ref = eval "\\\$$name";
    
  2. or download this
    #! perl -w
    use strict;
    ...
            $ref = eval "\\\$$name"; print "\$$name = '$$ref'\n";
        }
    }
    
  3. or download this
    $x = 'global'
    $x = 'lexical'
    $x = 'nested lexical'