
Production Grade Bash Scripts
Most shell scripts start innocent, just a few lines to glue things together. Blink twice, and it’s deploying infrastructure, rotating secrets, restarting servers, and possibly provisioning a small nation-state. It’s doing things for the people, by the people, held together by echo. This isn’t another “bash scripting 101” tutorial. You already know how to loop over a list and grep things. This is about writing scripts that survive real-world conditions: bad input, missing dependencies, flaky networks, and humans....