> As an aside You mention it as an aside, but I think it speaks to your point about external utilities. In that thread (I also think GP intended to comment on

> As an aside You mention it as an aside, but I think it speaks to your point about external utilities. In that thread (I also think GP intended to comment on that topic), there was confusion to what "Pure" meant. The first sentence is, "The goal of this book is to document commonly-known and lesser-known methods of doing various tasks using only built-in bash features."