if !ok {
		return ""
	}
	return prefix
}

func colorSuffix(colorize bool) string {
	if !colorize {
		return ""
	}
	return "\033[0m"
}

func IstioctlColorDefault(writer io.Writer) bool {
	if strings.EqualFold(termEnvVar.Get(), "dumb") {
		return false
	}

	file, ok := writer.(*os.File)
	if ok {
		if !isatty.IsTerminal(file.Fd()) {
			return false
		}

		"Use live Kubernetes cluster for analysis. Set --use-kube=false to analyze files only.")
	analysisCmd.PersistentFlags().BoolVar(&colorize, "color", formatting.IstioctlColorDefault(analysisCmd.OutOrStdout()),
		"Default true.  Disable with '=false' or set $TERM to dumb")
	analysisCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false,
		"Enable verbose output")