It would be nice to have a recursive mode that could check all text
files but ignore all binary files. I would like this for
check-all-the-things, a wrapper for many checkers.

https://lists.debian.org/debian-devel-announce/2015/03/msg00004.html
https://anonscm.debian.org/cgit/collab-maint/check-all-the-things.git