drss.sed (395 bytes)
1 # FORMAT: 2 # s#\(https\?://\)\?\(www\.\)\?OLDSITE#NEWSITE: 3 # we use # separator 4 5 6 # stuff to consider, which doesn't have a canonical link: 7 # FF send 8 # https://github.com/timvisee/send-instances/ 9 # 10 s#\(https\?://\)\?\(www\.\)\?youtube.com/c/\(.*/?\)#youtube.com/feeds/videos.xml?channel_id=\3# 11 s#\(https\?://\)\?\(www\.\)\?youtube.com/channel/\(.*/?\)#youtube.com/feeds/videos.xml?channel_id=\3#