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  1. or download this
    use YAML;
    %ENV = %{ Load `sh -c ". rcfile; perl -MYAML -e'print Dump \\%ENV'"` }
    +;
    
  2. or download this
    use YAML;
    %ENV = %{ Load qx{. rcfile; perl -MYAML -e 'print Dump \\%ENV'} };