hands-on lab
Working with Functions in Your Shell Scripts
Difficulty: Beginner
Duration: Up to 45 minutes
Students: 866
Rating: 4.5/5
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Description
In this lab, you will utilize functions, parameters, and variables in a shell script. The commands used in this lab have been covered in the Functions in Scripts course. References to the specific lessons of the course will be provided throughout the lab steps.
Expected outputs for each lab step is provided in the script comments
The Linux commands and tools referenced in this lab are:
- Shell Variables
- Functions
- Command Exit Statuses
exitechovim,nano, oremacs
Learning Objectives
Upon completion of this lab, you will be able to:
- Create a function in a shell script
- Access the positional parameters passed into a function
- Define global and local variables
Intended Audience
- Those beginning to work with Linux
- Those looking to gain experience with basic shell scripting
- Software Engineers
- DevOps Engineers
Prerequisites
Familiarity with basic Linux commands will be beneficial. Refer to the following course to fulfill the prerequisite:
Updates
18th November, 2022 - Updated instructions to improve clarity
Covered topics
Lab steps
Accessing the Amazon Linux 2 Terminal
Defining Functions in Your Shell Scripts
Accessing Local Variables and Function Parameters