How to Set and Use Environment Variables In Bash Script

In case you want to create an environment variable in the script, and here is an example to do it:

Now, you can run the above script to get the desired results:

Similarly, you can create a temporary variable that will only work with the single script execution. For example, let’s create two environment variables: WELCOME and UPGRADE:

Now, you can declare the variable while executing the script:

Now, you can declare the variable while executing the script:

You can access the environment variables directly from the terminal using the following command:

Moreover, you can check all the environment variables available in your system:

Advanced Approaches to Set Environment

If you want to create an environment variable that should be available after the script execution or the terminal session, then please use the below command:

The above command will add the export to the .bashrc file.

Wrapping Up

So, this was all about the ways to set and use the environment variables in the bash script. We have included various types of methods to set up the environment variables and also use them after the specific terminal session.

Moreover, we recommend you explore your skills and create unique environment variables to automate the tasks using the bash scripting. If you encounter some issues while using the environment variable, then you can check out our guide to resolve the problems with the environment variable.