skip unexported fields

1 files changed, 1 insertions, 1 deletions

diff --git a/parse.go b/parse.go
index 8fdbd9d..0c65397 100644
--- a/parse.go
+++ b/parse.go
@@ -263,7 +263,7 @@ func cmdFromStruct(name string, dest path, t reflect.Type) (*command, error) {
 	walkFields(t, func(field reflect.StructField, t reflect.Type) bool {
 		// Check for the ignore switch in the tag
 		tag := field.Tag.Get("arg")
-		if tag == "-" {
+		if tag == "-" || !isExported(field.Name) {
 			return false
 		}