Not bad, but to keep it a little more re-usable and flexible (suppose, for instance, more tags/values are added later), you can do away with the $company and $country variables altogether, and do: 

...
  @myarray = split /></,$line;
  if ( $prev ne $myarray[0] ) {
    $prev = $myarray[0];
  } else {
    $myarray[0] = "<TAB";
  }
  $line = join '><', @myarray;
  print OUTFILE, $line;
...

[download]
This also takes care of the fact that I think the original author meant <TAB> literally. If I'm wrong, insert this after the join: 

$line =~ s/<TAB>/\t/;

[download]

In reply to Non-re solution by Rhys
in thread replace all but first by texuser74

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