- Lab
- Core Tech
Bash Functions & Error Handling
In this lab, you'll practice creating reusable Bash functions and implementing robust error handling in your scripts. When you're finished, you'll have scripts that are modular, reliable, and easy to debug.
Path Info
Table of Contents
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Challenge
Getting Started in the Lab Environment
Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!
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Challenge
Creating and Using Bash Functions
To start, you will create reusable Bash functions to organize your code and implement a simple multi-operation calculator script.
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Challenge
Implementing Robust Error Handling
In this challenge, you will use the trap command and error checking to make your Bash scripts resilient to unexpected situations and user interruptions.
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Challenge
Debugging and Analyzing Scripts
To finish things, you will use Bash debugging tools and analyze script execution to find and fix common errors.
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Challenge
The Last Challenge
Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.
What's a lab?
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.
Provided environment for hands-on practice
We will provide the credentials and environment necessary for you to practice right within your browser.
Guided walkthrough
Follow along with the author’s guided walkthrough and build something new in your provided environment!
Did you know?
On average, you retain 75% more of your learning if you get time for practice.