diff --git a/emacs/init.org b/emacs/init.org
index cd9fb0c..89a46a8 100755
--- a/emacs/init.org
+++ b/emacs/init.org
@@ -286,6 +286,19 @@ Pretty-print JSON:
       (buffer-substring (point-min) (point-max))))
 #+END_SRC
 
+Load environment variables into Emacs from a shell script:
+#+BEGIN_SRC emacs-lisp
+  (defun source-env-file (file)
+    (interactive "fFile: \n")
+    (let ((var-re "\\(.+?\\)=\\(.+\\)$"))
+      (with-temp-buffer
+	(shell-command (concat "source " file " > /dev/null && env")
+		       (current-buffer))
+	(save-match-data
+	  (while (re-search-forward var-re nil t)
+	    (setenv (match-string 1) (match-string 2)))))))
+#+END_SRC
+
 ** Persisting variables between session
 The idea behind this is pretty simple - variables get persisted in ~/.emacs.d/<persisted-vars-file> as a plist of (variable-name variable-value).