Ralph Wigum keeps coding work moving by reading prior outputs, ideal for greenfield specs and batch cleanup, giving steady, ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...

Have you ever been confused by the different ways to use Bash arrays? Or perhaps you're just learning Bash, and they're next on your list? Bash arrays can act strangely depending on how you use them.

If you want to exit a loop before all the commands in the loop have been run and all of the loop values have been processed, this command is just what you need; it provides a way to exit a loop ...

Looping forever is easy if you know what commands you want to run repeatedly and the conditions under which you want them to stop running. There are several ways to loop “forever” on Linux commands.

Anthropic's Ralph plugin keeps Claude retrying until specs pass, with a stop hook to pause loops, so you ship cleaner code ...