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!7

p {
  // First, rotate.
  
  File mainLog = programFile(#1010745, "webs-made.txt");
  File fTriples = programFile(#1010745, "triples.gz");
  rotateLogFile(mainLog);
  
  // Load webs

  new Map<Web, SoftwareMadeWeb> fiMap;
  L<Web> webs = websMadeByProgram(#1010745, fiMap);
  Pair<L<Web>> pair = webs_tripelizable_nonTripelizable(webs);
  
  // Save triples
  
  File file = getProgramFile(#1010745, "triples.new.gz");
  PrintWriter out = newPrintWriter(newGZIPOutputStream(file));
  webs_toTripleFile(pair.a, out);
  out.close();

  // Save non-triples
  
  File file2 = getProgramFile(#1010745, "webs-made.new.gz");
  out = newPrintWriter(newGZIPOutputStream(file2));
  for (Web web : pair.b)
    out.println(struct(fiMap.get(web)));
  out.close();
  
  // Move data to backups
  
  File fBackups = programFile(#1010745, "backups");
  for (File f : earlierPartsOfLogFile(mainLog)) {
    int n = 1;
    File p;
    while ((p = newFile(fBackups, dropSuffix(".gz", f.getName()) + ".part" + n + ".gz")).exists()) ++n;
    renameFile_assertTrue(f, p);
  }
  
  // Backup triples.gz
  
  int n = 1;
  File p;
  while ((p = newFile(fBackups, dropSuffix(".gz", fTriples.getName()) + ".part" + n + ".gz")).exists()) ++n;
  renameFile_assertTrue(fTriples, p);
  
  // Rename main files
  renameFile_assertTrue(file, fTriples);
  renameFile_assertTrue(file2, programFile(#1010745, "webs-made.txt.part1.gz"));

  print("Stored " + nWeb(pair.a) + " in " + f2s(file) + ", " + nWeb(pair.b) + " in " + f2s(file2));
}