diff --git a/env b/env
index fdf914a..e1cadb8 100644
--- a/env
+++ b/env
@@ -32,6 +32,14 @@ function prepend-to-path
     fi
 }
 
+function append-to-path
+{
+    if [[ -d "$1" ]]; then
+        path+="$1"
+        export path
+    fi
+}
+
 path=("/usr/local/bin" "/usr/bin" "/bin" "/usr/local/sbin" "/usr/sbin" "/sbin")
 prepend-to-path "/usr/X11/bin"
 prepend-to-path "/opt/local/bin"