The rate of CPAN churn
I have a minicpan on my laptop in my home directory. My home directory gets included in my backups. This means that by looking at my old backups, I can get a good idea of how much the CPAN changes ...
snapshots $ du -sch */.../laptop-home-dir/minicpan
1.5G daily.0/.../laptop-home-dir/minicpan
...
145M monthly.0/.../laptop-home-dir/minicpan
127M monthly.1/.../laptop-home-dir/minicpan
127M monthly.2/.../laptop-home-dir/minicpan
120M monthly.3/.../laptop-home-dir/minicpan
111M monthly.4/.../laptop-home-dir/minicpan
137M monthly.5/.../laptop-h…