public function run()
    {
        if ($this->initialized) {
            $this->console(sprintf("Start running '%s' method of script '%s'.", $this->opts->action, get_class($this)));
            $this->{$this->action}();
            $this->console(sprintf("End of running '%s' cli script.", get_class($this)), true);
        }

        return $this;
    }