Meet Kathryn, an experienced C programmer who has mostly worked in Unix/Linux environments. In the course of that work, Kathryn developed some fairly sophisticated shell scripting skills. Lately, Kathryn has been trying to learn Ruby and, at the same time, start participating on Stack Overflow. Kathryn is also my sockpuppet.
This is a companion discussion topic for the original entry at https://jlericson.com/2017/07/26/race_to_1k_1.html