extention = ".sh";
            content = "#!/bin/bash\nsleep " + sleep + ";cat $1";
        } else {
            // Windows
            extention = ".bat";
            content = "ping localhost -n " + sleep + "\r\ntype %1";
        }
        File file;
        try {
            file = File.createTempFile("script", extention);
            file.deleteOnExit();
            FileUtil.writeBytes(file.getAbsolutePath(), content.getBytes());

	Name   string   `json:"name"`
	Help   string   `json:"help"`
	Type   string   `json:"type"`
	Labels []string `json:"labels"`
}

func (md metricDisplay) String() string {
	return fmt.Sprintf("Name: %s\nType: %s\nHelp: %s\nLabels: {%s}\n", md.Name, md.Type, md.Help, strings.Join(md.Labels, ","))
}

func (md metricDisplay) TableRow() string {
	labels := strings.Join(md.Labels, ",")
	if labels == "" {
		labels = ""
	} else {