This was pretty common back then. I don't recall the post you are talking about but I wrote a little about my own experience here: https://blog.jgc.org/2013/04/how-i-coded-in-1985.html
I cannot help but reflect on how my approach was a "hybrid" between both pencil-and-paper and modern-cli-and-ide -- we were coming out of the age of really simple home computers, but not yet in the age of super fast computers with large monitors.