How I learned to stop worrying and love bash scripting
It’s 3am and PagerDuty is waking you up. You just want to re-deploy an app because that’s the quickest way to get things going again and you like sleep. But wait – it turns out this deploy relies on a version of ruby you don’t have, the bundle won’t install because nokogiri is having problems and you wonder if gardening might have been a more rewarding career.
Bash scripting provides a simple way to get things done and avoids many of the above dramas. However, we hear that bash scripts are ok for really short things that can be tested manually and anything else is better left to a “Real Programming Language™” (whether ruby qualifies is left as an exercise for the reader).
bash-spec-2 to the rescue. With this nifty little testing framework you can TDD your way to a set of comprehensible, documented functions. Continue reading