foreach $logFile (@primaryLogFileNames) {
    if (-e "$dupeDir/$logFile") {
      $error = system("$gzipLoc $dupeDir/$logFile");
      if ($error) {
        $priZipDupeMessage .= "error zipping $dupeDir/$logFile\n";
      } else {
        $priZipDupeMessage .= "zipped $dupeDir/$logFile\n";
      }
    } elsif (-e "$dupeDir/$logFile\.gz") {
      $priZipDupeMessage .= "$dupeDir/$logFile already zipped\n";
    }
  }