return buf.Bytes(), nil
	}

	fmt.Println("{")

	hasWritten := false
	var r io.Reader
	var sz int64
	f, e := os.Open(downloadPath)
	if e != nil {
		return e
	}
	if st, e := f.Stat(); e == nil {
		sz = st.Size()
	}
	defer f.Close()
	r = f

	zr, e := zip.NewReader(r.(io.ReaderAt), sz)
	if e != nil {
		return e
	}
	for _, file := range zr.File {

    return xStats.count();
  }

  /** Returns an immutable snapshot of the statistics on the {@code x} values alone. */
  public Stats xStats() {
    return xStats.snapshot();
  }

  /** Returns an immutable snapshot of the statistics on the {@code y} values alone. */
  public Stats yStats() {
    return yStats.snapshot();
  }

  /**
   * Returns the population covariance of the values. The count must be non-zero.

		return err
	}
	var state srState
	if !unlinkSelf {
		state = srState{
			Name:                    c.state.Name,
			Peers:                   updatedPeers,
			ServiceAccountAccessKey: c.state.ServiceAccountAccessKey,
		}
	}

	if err := c.saveToDisk(ctx, state); err != nil {
		return errSRBackendIssue(fmt.Errorf("unable to save cluster-replication state to drive on %s: %v", ourName, err))
	}

}

// checkBinDir verifies the presence/absence of test files.
func checkBinDir(t *testing.T, tempCNIBinDir, op string, files ...string) error {
	t.Helper()
	for _, f := range files {
		if _, err := os.Stat(tempCNIBinDir + "/" + f); !os.IsNotExist(err) {
			if op == "add" {
				t.Logf("PASS: File %v was added to %v", f, tempCNIBinDir)
				return nil
			} else if op == "del" {

 * @since 20.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class StatsAccumulator {

  // These fields must satisfy the requirements of Stats' constructor as well as those of the stat
  // methods of this class.
  private long count = 0;
  private double mean = 0.0; // any finite value will do, we only use it to multiply by zero for sum
  private double sumOfSquaresOfDeltas = 0.0;

		if filename := os.Getenv(EnvKMSSecretKeyFile); filename == "" {
			os.Unsetenv(EnvKMSSecretKeyFile)
		} else if _, err := os.Stat(filename); errors.Is(err, os.ErrNotExist) {
			os.Unsetenv(EnvKMSSecretKeyFile)
		}
	}
	// Now, the static key env. vars are only present if they contain explicit
	// values.
	staticKeyPresent := isPresent(EnvKMSSecretKey, EnvKMSSecretKeyFile)

	switch {

pkg os, const ModeType FileMode
pkg os, func Chmod(string, FileMode) error
pkg os, func Lstat(string) (FileInfo, error)
pkg os, func Mkdir(string, FileMode) error
pkg os, func MkdirAll(string, FileMode) error
pkg os, func OpenFile(string, int, FileMode) (*File, error)
pkg os, func SameFile(FileInfo, FileInfo) bool
pkg os, func Stat(string) (FileInfo, error)
pkg os, method (*File) Chmod(FileMode) error

const verbose = false

func goCmd() string {
	var exeSuffix string
	if runtime.GOOS == "windows" {
		exeSuffix = ".exe"
	}
	path := filepath.Join(testenv.GOROOT(nil), "bin", "go"+exeSuffix)
	if _, err := os.Stat(path); err == nil {
		return path
	}
	return "go"
}

// contexts are the default contexts which are scanned.
var contexts = []*build.Context{
	{GOOS: "linux", GOARCH: "386", CgoEnabled: true},

				fmt.Fprint(cmd.OutOrStdout(), "Reading from stdin:\n")
			}
			r = os.Stdin
			readers = append(readers, local.ReaderSource{Name: f, Reader: r})
			continue
		}

		fi, err := os.Stat(f)
		if err != nil {
			return nil, err
		}

		if fi.IsDir() {
			dirReaders, err := gatherFilesInDirectory(cmd, f)
			if err != nil {
				return nil, err
			}

automatically on GitHub.

If you want to contribute, start working through the TensorFlow codebase,
navigate to the
[GitHub "issues" tab](https://github.com/tensorflow/tensorflow/issues) and start
looking through interesting issues. If you are not sure of where to start, then
start by trying one of the smaller/easier issues here i.e.