bash

Strings are something you work with in almost every Bash script you’ll ever write, whether you’re printing a…

Arrays are one of those Bash features that a lot of people don’t touch for a long time,…

Every reusable script I write eventually needs to accept some kind of input from the person or process…

Once a script grows past a few dozen lines, or once I find myself copy-pasting the same block…

If there’s one feature that captures the spirit of the Unix philosophy — small tools that do one…

Redirection is one of those Bash fundamentals that quietly powers almost everything else you do in the shell…

If you’ve spent any time writing shell scripts, you already know that repeating the same command over and…

Every useful script eventually needs to make a decision. Should it delete the file or not? Is the…

A script that only ever does one fixed thing is useful, but a script that can respond to…

Bash wasn’t originally designed as a math-heavy language, but I still end up doing arithmetic in almost every…