ui/src/main/java/ucar/nc2/ui/grib/Grib2ReportPanel.java
private void doGdsSummary(Formatter f, MCollection dcm, boolean extra) throws IOException {
    f.format("Show Unique GDS Templates%n");
    Counters counters = new Counters();
    counters.add("template");
    counters.add("scanMode");
    counters.add("scanModeDifference");

    for (MFile mfile : dcm.getFilesSorted()) {
      f.format(" %s%n", mfile.getPath());
      doGdsSummary(f, mfile, counters, extra);
    }

    counters.show(f);
  }
private void doGdsSummary(Formatter f, MCollection dcm, boolean extra) throws IOException {
    f.format("Show Unique GDS Templates%n");
    Counters counters = new Counters();
    counters.add("template");
    counters.add("scanMode");
    counters.add("scanModeDifference");

    for (MFile mfile : dcm.getFilesSorted()) {
      f.format(" %s%n", mfile.getPath());
      doGdsSummary(f, mfile, counters, extra);
    }

    counters.show(f);
  }
/////////////////////////////////////////////