diff --git a/algs4/.env b/algs4/.env
new file mode 100644
index 0000000..bb2e135
--- /dev/null
+++ b/algs4/.env
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+if [ ! -n "$(echo "$PATH" | grep "$PWD/bin")" ]; then
+    export PATH="$PWD/bin:$PATH"
+fi