How-To Geek: How to Scrape a List of Topics from a Subreddit Using Bash. “Reddit offers JSON feeds for each subreddit. Here’s how to create a Bash script that downloads and parses a list of posts from any subreddit you like. This is just one thing you can do with Reddit’s JSON feeds.”
MakeUseOf: Fix HTML Formatting Using Simple Shell Scripting . “If you often write HTML in an editor and then paste into WordPress, you’ll notice that sometimes annoying formatting tags (like tags) are added. Using simple shell scripts, you can automatically clean up that garbage HTML formatting with a few simple commands. Why use shell scripting? If you’re new to programming, it’s much, much better to start small. Not only are you less likely to give up, but you’ll have opportunities to stop and learn along the way. That said, your first programs can be really useful even if they’re also really simple.” A gentle introduction if you’re pretty computer savvy but don’t know a lot about shell scripting.