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Re: Get unique fields from file

by Marshall (Canon)
on Jan 06, 2022 at 23:51 UTC ( [id://11140228]=note: print w/replies, xml ) Need Help??

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  1. or download this
    use strict;
    use warnings;
    ...
    
    UNIQUE VALUES for head3:
    
  2. or download this
    use strict;
    use warnings;
    ...
    This means nothing was unique in column 3.
    column 1 has 3 unique values.
    column 2 has one unique value.
    

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