private boolean hasAllOpCodes(String inFilename) throws IOException {
String outFilename = inFilename + ".stats";
FileOutputStream fout = new FileOutputStream(outFilename);
StatisticsEditsVisitor visitor = new StatisticsEditsVisitor(fout);
OfflineEditsViewer oev = new OfflineEditsViewer();
if (oev.go(inFilename, outFilename, "stats", new Flags(), visitor) != 0)
return false;
LOG.info("Statistics for " + inFilename + "\n"
+ visitor.getStatisticsString());
boolean hasAllOpCodes = true;