A zero-dependency command line tool, written in Rust, that loads environment variables from a .env file before running another command.

An official installation path is coming soon, along with release binaries for macOS and Linux. (Windows support will come a little bit later.) In the meantime, you can clone this repo and build using Cargo:

$ cargo build --release

You can then use the binary under target/release (and optionally rename it dotenv).

Create a .env file in the current working directory that contains environment variable key/value pairs. Something like this:

KEY1=some-value
KEY2=something-else

Then run your program via dotenv_cli:

$ dotenv your-program arg1 arg2 ...

Each line of a .env file must contain one of the following:

• Nothing (will be ignored)
• A comment starting with #
• A key/value pair, separated by an equals sign (like KEY=value)

Keys must only contain uppercase, alphanumeric ASCII characters, and cannot start with a number. Any whitespace found after the equals sign will be treated as part of the value.

This is a very early release, and not intented to be used in production yet. Major todo items (roughly in order):

• Add an optional argument for specifying the path to the .env file you would like to use
• Add binary releases and introduce an official installation path for each platform
• Add tests
• Add Windows support