Symfony\Component\Console\Helper\ProgressBar::setRealFormat PHP Method

    private function setRealFormat($format)
    {
        // try to use the _nomax variant if available
        if (!$this->max && null !== self::getFormatDefinition($format . '_nomax')) {
            $this->format = self::getFormatDefinition($format . '_nomax');
        } elseif (null !== self::getFormatDefinition($format)) {
            $this->format = self::getFormatDefinition($format);
        } else {
            $this->format = $format;
        }
        $this->formatLineCount = substr_count($this->format, "\n");
    }