Transmission Blocklist

So, I download ISO images occasionally via BitTorrent, mostly using Transmission Daemon. Having a decent blocklist avoids all kinds of nonsense, however, it seems to be increasingly difficult to find a blocklist that's been concatenated from the various lists out there.

Then I found this snippet:

curl -s | sed -n "s/.*value='\(http[^']*\)'.*/'\1'/p" | \
xargs wget -O - | gunzip | egrep -v '^#' > blocklist.txt

Voila, set that up via the cron or a jenkins job and here's the output: