In a recent project, I was working on a command line application with tricky data manipulation scenario. Imagine if you were moving members from mailing lists (e.g. Google Groups) to group chat service (e.g. Slack), where the goal is for members of the mailing list will find a new home in group chat channels.It is perfectly sensible for engineers with hacker spirit to say “script this out and run it for each of the groups” and I agree — surely it’s a thing that a few HTTP calls and hashmaps can ...