Bash

A comprehensive reference guide for writing robust, production-grade Bash scripts. Covers defensive programming techniques including strict mode, error trapping, safe variable handling, argument parsing, structured logging, and idempotent script design patterns.

A comprehensive guide for writing unit tests for shell scripts using Bats (Bash Automated Testing System). Covers test structure, assertions, setup/teardown patterns, mocking, fixtures, CI/CD integration, and best practices for production-grade shell testing.