sub do_funky_tag_thing {
  my ($text1, $text2) = @_;
  
  # Build the command-line args from the web-service
  #  args.  Some funky logic here..
  my %args;
  $args{'-opt1'} = $text1 if defined $text1;
  if (defined $text1 and defined $text2) {
    $args{'-opt2'} = process_text($text2);
  }

  # Log the command to L4P for audit purposes.
  my $external_command = 'tag ';
  for my $opt (keys %args) {
    $external_command .= $opt.' '.shell_escape($args{$opt))
  }
  get_logger->info(
    "Running external command: $external_command";
  );

  # Now run the actual command.. with no reliance on
  #  shell_escape()
  system('tag',%args);
}