Install

Via Homebrew

On Linux, macOS and WSL, you can install Pen through Homebrew.

1. Install Homebrew.

2. Run the following command in your terminal.

   brew install pen-lang/pen/pen

Now, you should be able to run a pen command in your shell.

pen --version

Building from source

You can also build Pen from source on your local machine.

1. Install the following software using a package manager of your choice (e.g. apt for Ubuntu and Homebrew for macOS.)

   • Rust
   • LLVM 16
   • Git

2. Install Turtle.

   cargo install turtle-build
   # Or, via Homebrew,
   brew install pen-lang/pen/turtle

3. Clone the Git repository.

   git clone https://github.com/pen-lang/pen

4. Run a cargo command in the repository’s directory.

   cargo install --path cmd/pen

5. Set a PEN_ROOT environment variable to the directory.

   export PEN_ROOT=<directory>

Now, you are ready to use the pen command built manually.