Improve error handling for outputEntries

main.go

@@ -29,19 +29,23 @@ func main() {
 
 	items = filterEntriesAfter(items, now.With(time.Now()).Monday())
 
-	outputEntries(items)
-}
-
-func outputEntries(items []microsub.Item) {
-	t, err := template.ParseFiles("templates/weekly.html")
+	err = outputEntries(items)
 	if err != nil {
 		log.Fatal(err)
 	}
+}
+
+func outputEntries(items []microsub.Item) error {
+	t, err := template.ParseFiles("templates/weekly.html")
+	if err != nil {
+		return err
+	}
 
 	err = t.Execute(os.Stdout, items)
 	if err != nil {
-		log.Fatal(err)
+		return err
 	}
+	return nil
 }
 
 func getEntriesForFeed(u *url.URL) ([]microsub.Item, error) {