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  1. or download this
    my @report;
    while (my $line = <$log_file>) {
       my @fields = (split / /, $line);
       $report[$_]{$fields[$_]}++  for 2,4,5,9,7,1;
    }
    
  2. or download this
    use strict;
    use warnings;
    ...
    483 OS dx-32 1 charles list4 aardvark.com ty-off lx-on C 01
    483 DS dx-14 1 james list3 23.456.12.7 ty-on lx-on B 01
    769 XO dx-32 5 sully nolist widgets.com ty-on lx-on V 07
    
  3. or download this
    {
      1 => { DS => 1, OS => 1, XO => 1 },
    ...
      7 => { "ty-off" => 1, "ty-on" => 2 },
      9 => { B => 1, C => 1, V => 1 },
    }