Sub-optimal. 
say for do {                    # <-- mixed paradigms --------
   my %seen;                    # <-- reinventing the wheel  |
   grep { not $seen{ $_ } ++ }  # <---------------------------        
+                 
   map  { ( split m{;} )[ 1 ] } # too much logic, but that's nitpickin
+g
   <$inFH>;
   };'

[download]
Better? I think so: 
use List::Util qw(uniqstr);
say join "\n", 
   uniqstr
   map  { $_->[0] }
   map  { [ split m{;} ] }
   <$inFH>;

[download]
You could of course roll your own implementation of uniq if you want to.


holli

You can lead your users to water, but alas, you cannot drown them.

In reply to Re^2: Removing doubles and printing only unique values by holli
in thread Removing doubles and printing only unique values by zarath

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