From bd47169892f4ba3d95df2af28701cdcc8de43f90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@dashbit.co>
Date: Fri, 16 Sep 2022 17:54:28 +0200
Subject: [PATCH] Add information on __DIR__ and __ENV__

---
 .../notebook/explore/elixir_and_livebook.livemd        | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/livebook/notebook/explore/elixir_and_livebook.livemd b/lib/livebook/notebook/explore/elixir_and_livebook.livemd
index 98759d804..a8a7a3cc1 100644
--- a/lib/livebook/notebook/explore/elixir_and_livebook.livemd
+++ b/lib/livebook/notebook/explore/elixir_and_livebook.livemd
@@ -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