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Add information on __DIR__ and __ENV__

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José Valim 2022-09-16 17:54:28 +02:00
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lib/livebook/notebook/explore/elixir_and_livebook.livemd
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@ -41,6 +41,16 @@ return the Elixir version.
Note you can also press <kbd>tab</kbd> to cycle across the completion
alternatives.
## Getting the current directory
You can access the location of the current `.livemd` file and
its current directory using `__ENV__` and `__DIR__` variables:
```elixir
IO.puts(__ENV__.file)
IO.puts(__DIR__)
```
## Runtimes
Livebook has a concept of **runtime**, which in practice is an Elixir node responsible