Web Reference: We use these variables to share configuration options between all the programs in your computer. That’s why it’s important to learn how they work & how to access them from your Ruby programs using the ENV special variable. ENV is a hash-like accessor for environment variables. The ENV object interacts with the operating system’s environment variables: When you get the value for a name in ENV, the value is retrieved from among the current environment variables. Nov 14, 2023 · In this post we'll explore what environment variables are, why they are useful, and how to use them in your Ruby projects.
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