# add newly created .torrent file as new entry to .xml RSS feed, removing excess entries
xmlstarlet edit --inplace \
- -a "//channel" -t elem -n item -v "" \
+ -a "//lastBuildDate" -t elem -n item -v "" \
-s "//item[1]" -t elem -n "title" -v "${torrent_file}" \
-s "//item[1]" -t elem -n "guid" -v "${torrent_url}" \
-s "//item[1]" -t elem -n "link" -v "${torrent_url}" \