for _, f := range strings.Split(s, " or ") {
		if f == "" || len(f)%2 != 0 || strings.TrimLeft(f, "0123456789abcdef") != "" {
			return false
		}
	}
	return true
}

// It would be nice if the error messages always began with
// the standard file:line: prefix,
// but that's not where we are today.
// It might be at the beginning but it might be in the middle of the printed instruction.

			}
			return retval
		},
		PersistentPreRunE: func(c *cobra.Command, args []string) error {
			// istioctl kube-inject is typically redirected to a .yaml file;
			// the default for log messages should be stderr, not stdout
			root := c.Root()
			if root != nil {
				_ = c.Root().PersistentFlags().Set("log_target", "stderr")
			}
			if c.Parent() != nil && c.Parent().PersistentPreRunE != nil {

    they could leak passwords and other authentication credentials to insecure
    logs.

 *  **WebSocket API now uses `RequestBody` and `ResponseBody` for messages.**
    This is a backwards-incompatible API change.

 *  **The DNS service is now pluggable.** In some situations this may be useful
    to manually prioritize specific IP addresses.

                .build());
        options.addOption(Option.builder(Character.toString(ERRORS))
                .longOpt("errors")
                .desc("Produce execution error messages")
                .build());
        options.addOption(Option.builder(Character.toString(NON_RECURSIVE))
                .longOpt("non-recursive")
                .desc(

    cat $BATS_TEST_TMPDIR/actual_missing_licenses
  fi

  # Fail if either of the two "extras" or "missing" lists are present. If so,
  # then the user will see the above error messages.
  [[ ! -s $BATS_TEST_TMPDIR/actual_extra_licenses ]] && [[ ! -s $BATS_TEST_TMPDIR/actual_missing_licenses ]]
}

@test "Pip package generated license includes all dependencies' licenses" {
  do_external_licenses_check \

	return fmt.Sprintf("no running Istio pods in %q", c.Namespace)
}

var _ error = ControlPlaneNotFoundError{}

type Options struct {
	// MessageWriter is a writer for displaying messages to users.
	MessageWriter io.Writer

	// XdsViaAgents accesses Istiod via the tap service of each agent.
	// This is only used in `proxy-status` command.
	XdsViaAgents bool

pkg net/mail, type Address struct, Address string
pkg net/mail, type Address struct, Name string
pkg net/mail, type Header map[string][]string
pkg net/mail, type Message struct
pkg net/mail, type Message struct, Body io.Reader
pkg net/mail, type Message struct, Header Header
pkg net/mail, var ErrHeaderNotPresent error
pkg net/rpc, const DefaultDebugPath ideal-string
pkg net/rpc, const DefaultRPCPath ideal-string

Note that clients can actually send three types of messages - requests, ACKs of previous pushes, and NACKs of previous pushes. Unfortunately, these are not clearly distinguished in the API, so there is some logic to split these out (`shouldRespond`).

#### Pushes

                    .build());
            options.addOption(Option.builder(SHOW_ERRORS)
                    .longOpt("errors")
                    .desc("Produce execution error messages")
                    .build());
            options.addOption(Option.builder(BATCH_MODE)
                    .longOpt("batch-mode")

#### **4.2.2  Run the Spark shell:**

```
./bin/spark-shell --master yarn-client --driver-memory 512m --executor-memory 512m
```

The command should produce an output as shown below. (with additional status messages):

```
Spark context Web UI available at http://172.26.236.247:4041
Spark context available as 'sc' (master = yarn, app id = application_1490217230866_0002).
Spark session available as 'spark'.
Welcome to