rss_main.go

func main() {
	// Fetch and filter the feeds
	feeds := fetchFeeds(feedURLs)
	feeds = filterFeeds(feeds)
	if len(feeds) == 0 {
		return
	}
	// Render the feeds to an HTML string
	t := loadTemplate()
	writer := &strings.Builder{}
	err := t.Execute(writer, feeds)
	if err != nil {
		log.Fatalln(err)
	}
	// Email the HTML out
	err = mail(writer.String())
	if err != nil {
		log.Fatalln(err)
	}
}