processedFiles := map[string]bool{}
	for _, filename := range filenames {
		var isDir bool
		if filename != "-" {
			fi, err := os.Stat(filename)
			if err != nil {
				errs = multierror.Append(errs, fmt.Errorf("cannot stat file %q: %v", filename, err))
				continue
			}
			isDir = fi.IsDir()
		}

		if !isDir {
			processFile(filename)
			processedFiles[filename] = true
			continue
		}

)

var configDumpFile string

func readConfigFile(filename string) ([]byte, error) {
	file := os.Stdin
	if filename != "-" {
		var err error
		file, err = os.Open(filename)
		if err != nil {
			return nil, err
		}
	}
	defer func() {
		if err := file.Close(); err != nil {
			log.Errorf("failed to close %s: %s", filename, err)
		}
	}()
	data, err := io.ReadAll(file)
	if err != nil {

		"Mesh configuration filename. Takes precedence over --meshConfigMapName if set")
	injectCmd.PersistentFlags().StringVar(&injectConfigFile, "injectConfigFile", "",
		"Injection configuration filename. Cannot be used with --injectConfigMapName")
	injectCmd.PersistentFlags().StringVar(&valuesFile, "valuesFile", "",
		"Injection values configuration filename.")

	"istio.io/istio/istioctl/pkg/util/testutil"
)

func TestKubeInject(t *testing.T) {
	cases := []testutil.TestCase{
		{ // case 0
			Args:           []string{},
			ExpectedRegexp: regexp.MustCompile(`filename not specified \(see --filename or -f\)`),
			WantException:  true,
		},
		{ // case 1
			Args:           strings.Split("-f missing.yaml", " "),
			ExpectedRegexp: regexp.MustCompile(`open missing.yaml: no such file or directory`),

// Or until cancelled by parent context
func getCNIConfigFilepath(ctx context.Context, cfg pluginConfig) (string, error) {
	filename := cfg.cniConfName

	if !cfg.chainedCNIPlugin {
		if len(filename) == 0 {
			filename = "YYY-istio-cni.conf"
		}
		return filepath.Join(cfg.mountedCNINetDir, filename), nil
	}

	watcher, err := util.CreateFileWatcher(cfg.mountedCNINetDir)
	if err != nil {
		return "", err
	}

                        "vmConfig": {
                            "runtime": "envoy.wasm.runtime.v8",
                            "code": {
                                "local": {
                                    "filename": "/var/lib/istio/data/fe482be5ac123d3d387b0c68b9ed7f8ed65824e7d0bbc88a9a9a71dd8391d96c/d8ef3957b4cf09da9ed25e88bc75ac397ea875d88c5cbed356872f936a86d928.wasm"
                                }
                            },

apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
`
)

func addProfileDumpFlags(cmd *cobra.Command, args *profileDumpArgs) {
	cmd.PersistentFlags().StringSliceVarP(&args.inFilenames, "filename", "f", nil, filenameFlagHelpStr)
	cmd.PersistentFlags().StringVarP(&args.configPath, "config-path", "p", "",
		"The path the root of the configuration subtree to dump e.g. components.pilot. By default, dump whole tree")

		},
		{
			description:       "Invalid command args - valid filename input but missing output filename",
			args:              strings.Split("entry configure -f file --clusterID cid", " "),
			expectedException: true,
			expectedOutput:    "Error: expecting an output directory\n",
		},
		{
			description:       "Invalid command args - valid kubectl input but missing output filename",

	return setupConfigdumpEnvoyConfigWriter(debug, out)
}

func readFile(filename string) ([]byte, error) {
	file := os.Stdin
	if filename != "-" {
		var err error
		file, err = os.Open(filename)
		if err != nil {
			return nil, err
		}
	}
	defer func() {
		if err := file.Close(); err != nil {
			log.Errorf("failed to close %s: %s", filename, err)
		}
	}()
	return io.ReadAll(file)
}

			args:      []string{"--filename", validFilenameJSON, "--filename", tempDirJSON, "--filename", validTempDirJSON},
			wantError: true, // Since the directory has invalid files
		},
		{
			name:      "validate mix of yaml and json directories with valid files",
			args:      []string{"--filename", validTempDirYAML, "--filename", validTempDirJSON},
			wantError: false,
		},
		{