Some time ago I stumbled upon a really good introduction to text manipulation in command line: https://developer.ibm.com/articles/au-unixtext/ https://develope

Some time ago I stumbled upon a really good introduction to text manipulation in command line: https://developer.ibm.com/articles/au-unixtext/ https://developer.ibm.com/articles/au-unixtext/ After years of using bits of bash I've found quite a few new things for me.