And the one-line winner for downloading a list of URLs is `parallel wget < moira.html`, credit to https://blob.cat/objects/be683b98-3ce6-418a-8bac-20de958a73e4 @icedquinn

The nature of the URLs produced a list of files with useless names. But a little refactoring and regexp of the source list and then an #emacs #kmacro, and they were all renamed sensibly.