X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scripts%2Flilypond-invoke-editor.scm;h=d847be27e9c0475e1063e1755e0b1166b686b930;hb=2f1b610a95ee79e6a9f93e1dee5ab936b386cb0d;hp=e03a2afe0c0edb196bee2c00457ab0650f2b2b51;hpb=157d98c1870868bf59c1691577444e3c3d533bc4;p=lilypond.git

diff --git a/scripts/lilypond-invoke-editor.scm b/scripts/lilypond-invoke-editor.scm
index e03a2afe0c..d847be27e9 100644
--- a/scripts/lilypond-invoke-editor.scm
+++ b/scripts/lilypond-invoke-editor.scm
@@ -127,15 +127,16 @@ Options:
 
 (define (strip-framework-path var)
   (define pat "lilypond/usr")
-  (let*
-      ((val (getenv var))
-       (paths (string-split val #\:))
-       (without (remove (lambda (s) (string-contains s pat))
-			paths)))
-
-    (if (not (= (length without)
-		(length paths)))
-	(setenv var (string-join without ":")))))
+  (if (getenv var)
+      (let*
+	  ((val (getenv var))
+	   (paths (string-split val #\:))
+	   (without (remove (lambda (s) (string-contains s pat))
+			    paths)))
+	
+	(if (not (= (length without)
+		    (length paths)))
+	    (setenv var (string-join without ":"))))))
 
 (define (main args)
   (let ((files (parse-options args)))