!7

sS progID = #1007510;

p {
  new L<File> files;
  new Map<File, Int> ageMap;
  
  Pattern pat = Pattern.compile("^(.*)\\.backup(20\\d\\d)(\\d\\d)(\\d\\d)-(\\d\\d)$");
  for (File f : listFilesNotDirs(programDir(progID))) {
    S s = f.getName();
    Matcher matcher = pat.matcher(s);
    continue unless matcher.find();
    continue unless neq(originalName, "concepts.structure.gz");
    print("Found backup: " + sfu(matcherGroups(matcher)));
    S originalName = matcher.group(1);
    int year = matcherInt(matcher, 2);
    int month = matcherInt(matcher, 3);
    int day = matcherInt(matcher, 4);
    int hour = matcherInt(matcher, 5);
    long time = timestampFromYMDH(year, month, day, hour);
    int age = (int) ((now()-time)/1000/60/60/24);
    print("Age: " + age + " days");
    ageMap.put(file, age);
    files.add(file);
  }
  
  sortByMap(files, ageMap);
}