It's very important to watch out for useless uses of echo/cat. What is cat, a few megabytes now? Fine for those of us on modern hardware, but you never know wha

It's very important to watch out for useless uses of echo/cat. What is cat, a few megabytes now? Fine for those of us on modern hardware, but you never know what PDP-11 user is going to copy paste your comment into their terminal.