This program literally just polls an RSS feed for updates and sends the
description via /sbin/sendmail
.
Usage:
./rssmail rss_url to_address ts_file from_address default_title
Example:
./rssmail https://social.treehouse.systems/@AsahiLinux.rss '~runxiyu/asahi-announce@lists.sr.ht' ts.1 me@runxiyu.org 'Asahi Linux Update'