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Re^2: Get unique fields from file

by Marshall (Canon)
on Jan 07, 2022 at 03:49 UTC ( #11140232=note: print w/replies, xml ) Need Help??

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  1. or download this
    {
      head1 => { val1 => 2, val2 => 1, val3 => 1, val6 => 1 },
      head2 => { val2 => 1, val4 => 2, val7 => 2 },
      head3 => { val3 => 2, val5 => 3 },
    }
    
  2. or download this
    {
      val1 => [-1],   # val1 occurs more than once in col 1
    ...
      val6 => [1],
      val7 => [-2], #val7 is mentioned at least twice in col2
    }
    

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