Google has a styleguide for bash. https://t.co/H2K4gZSQXj

– If you find you need to use arrays for anything more than assignment of ${PIPESTATUS}, you should use Python.
– If you are writing a script that is more than 100 lines long, you should probably be writing it in Python.

— Cindy Sridharan (@copyconstruct) June 27, 2018