I started something similar recently, but figured a simpler target would be more usable.

Bug reports here, along with possible patches, for GNU Awk:

* https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816277

* https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816271

Writeup was pretty simple:

* https://blog.steve.org.uk/If_line_noise_is_a_program__all_fu...