Environment Variables in Bash Easily

Title: How to Get 
Introduction

Are you looking to retrieve environment variables in your Bash script with ease? In this article, we will guide you through the process of obtaining environment variables in the Bash shell so that you can efficiently work with them in your scripts.

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If you are wondering how to get an environment variable in a Bash script, worry not! You can access environment variables using the echo command followed by a dollar sign ($) and the variable name. For example, to retrieve the value of the PATH variable, you can use the following command:

echo $PATH







This will output the current value of the PATH variable set in your environment.

Using the export Command

If you need to set or modify an environment variable within your Bash script, you can use the export command. For example, to create a new environment variable named MY_VAR with the value hello, you can use the following command:

export MY_VAR="hello"



Now, you can access the value of MY_VAR using the echo command as shown earlier.