[ale] Why define one function inside another (bash, awk)?

[leamhall at gmail.com (leam hall)]

I see people do this and I'm not sure why. Is there any technical advantage
to defining a function inside another, assuming it could be defined outside
and used inside?

Thanks!

Leam
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.ale.org/pipermail/ale/attachments/20170524/de3c4c7f/attachment.html>