GETENV Get the Value of an Environment Variable

Section: Operating System Functions

Usage

The getenv function returns the value for an environment variable from the underlying OS. The syntax for the getenv function is 
   y = getenv(environment_variable)

where environment_variable is the name of the environment variable to return. The return is a string.

Example

Here is an example of using the getenv function to get the value for the HOME variable 
--> getenv('HOME')

ans = 
/home/sbasu