final SimpleDateFormat sdf = new SimpleDateFormat("MM/d/yy h:mm a");
        final GregorianCalendar cal = new GregorianCalendar();

        sdf.setCalendar(cal);

        dirents = dir.listFiles();
        if (log.isDebugEnabled()) {
            log.debug(dirents.length + " items listed");
        }
        sorted = new LinkedList<>();
        fmt = req.getParameter("fmt");
        if (fmt == null) {

        }
    }

    // Helper method to delete directory recursively
    private void deleteDirectory(File dir) {
        if (dir.isDirectory()) {
            File[] children = dir.listFiles();
            if (children != null) {
                for (File child : children) {
                    deleteDirectory(child);
                }
            }
        }
        dir.delete();
    }

        final SimpleDateFormat sdf = new SimpleDateFormat("MM/d/yy h:mm a");
        final GregorianCalendar cal = new GregorianCalendar();

        sdf.setCalendar(cal);

        dirents = dir.listFiles();
        if (LogStream.level > 2) {
            log.println(dirents.length + " items listed");
        }
        sorted = new LinkedList();
        fmt = req.getParameter("fmt");
        if (fmt == null) {

        } finally {
            Files.deleteIfExists(tempFile);
        }
    }

    private void deleteDirectory(File dir) {
        if (dir.isDirectory()) {
            File[] files = dir.listFiles();
            if (files != null) {
                for (File file : files) {
                    deleteDirectory(file);
                }
            }
        }
        dir.delete();
    }

        File directory,
        String packagePrefix,
        Set<File> currentPath,
        ImmutableSet.Builder<ResourceInfo> builder)
        throws IOException {
      File[] files = directory.listFiles();
      if (files == null) {
        logger.warning("Cannot read directory " + directory);
        // IO error, just skip the directory
        return;
      }
      for (File f : files) {

        // ## Assert ##
        assertEquals(before, after);
    }

    private long countTmpFiles() {
        return Arrays.stream(Objects.requireNonNull(Curl.tmpDir.listFiles())).map(File::getName)
                .filter(s -> s.startsWith(PREFIX) && s.endsWith(SUFFIX)).count();
    }

    // --- HEAD request logic tests ---

    /**

    }                                                                        \
    const auto len = std::min(max_values, attr->list().list_field##_size()); \
    for (int i = 0; i < len; ++i) {                                          \
      values[i] = static_cast<c_type>(attr->list().list_field(i));           \
    }                                                                        \
  }

        if (!file.exists()) {
            return;
        }

        if (file.isDirectory()) {
            try {
                SmbFile[] children = file.listFiles();
                if (children != null) {
                    for (SmbFile child : children) {
                        deleteRecursively(child);
                    }
                }

            if (aliasConfigDir.isDirectory()) {
                final IndicesAliasesRequestBuilder builder = client.admin().indices().prepareAliases();
                stream(aliasConfigDir.listFiles((dir, name) -> name.endsWith(".json"))).of(stream -> stream.forEach(f -> {
                    String aliasName = f.getName().replaceFirst(".json$", "");
                    if (configIndex.startsWith(CONFIG_INDEX_PREFIX)) {