Downloaded yahoogroups_files.pl from http://grabyahoogroup.sourceforge.net . It’s a Yahoo Group archiver
and perfect for my needs, although I needed to tweak the Perl script a
little as Yahoo changed their format.
JohnKitchin Thanks. That matches my current understanding too. It seems like use-package pretty conveniently installs and configures packages. I have seen cask for creating and installing... – Emacs configuration and use-package