I saw that second notation in some stack overflow answer and had the same epiphany. Cute notations like this make shell scripting fun (and convenient for so man

I saw that second notation in some stack overflow answer and had the same epiphany. Cute notations like this make shell scripting fun (and convenient for so many use cases). This article is great for having both a nontrivial FIFO and a nontrivial circuit discussion in the same guide—both things for which I've had difficulty finding good self-contained tutorials.