All Blog Posts

How To Create Simple Menu with the Shell Select Loop?
The select loop is not a regular shell loop. It can be used in Bash to generate a simple menu from which a user can select numbered options.
What is the Right Way to Loop in Bash?
Looping over a list of numbers or words is a building block in shell scripts. Learn how to write Bash loops, including for loop, while loop, and until loop.
What is the Best Way to Count Files in a Directory?
Learn how to count the number of files in a directory using the Linux command line ls, find, and a native bash shell solution with globs and arrays.
5 Mistakes To Avoid For Writing High-Quality Bash Comments
Adding comments in your Bash scripts is necessary to ensure maintainability over time. This post covers 5 Bash comments mistakes to avoid in your shell scripts.
How to Script Powerful Bash If Statement?
Learn how to script a Bash If statement with the then, else, and else if / elif clauses. This post covers the Bash conditional expressions, and how to avoid common pitfalls when using the Bash If statement.
What are the Differences Between Vi and Vim?
Review of the main differences between the Vi/Ex POSIX standard and the Vim implementation.