I think posts like this mostly just encourage people to use the command line to feel "old-school", not because it works. Kernighan and Pike's The Practice of P

I think posts like this mostly just encourage people to use the command line to feel "old-school", not because it works. Kernighan and Pike's The Practice of Programming covers similar material very well. And yes, I was a bit overly critical. I'm annoyed by that style of article, not that specific one, sorry.