A good follow-up to read, from the same person, is his article on relational shell programming: http://matt.might.net/articles/sql-in-the-shell/
The comment on jq (which I'd never seen) had me thinking about the relational shell programming again.
One could implement a remarkably robust relational DB at the shell with jq.
A good follow-up to read, from the same person, is his article on relational shell programming: http://matt.might.net/articles/sql-in-the-shell/