• "Many people hack together shell scripts quickly to do simple tasks, but these soon take on a life of their own. Unfortunately shell scripts are full of subtle effects which result in scripts failing in unusual ways. It’s possible to write scripts which minimise these problems. In this article, I explain several techniques for writing robust bash scripts." This looks really useful.
  • "jq is like sed for JSON data – you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text." Sounds super-useful.