needed DeleteBy()

1 files changed, 1 insertions, 0 deletions

diff --git a/newsort.go b/newsort.go
index c226e64..2c67c25 100644
--- a/newsort.go
+++ b/newsort.go
@@ -21,5 +21,6 @@ func (pb *Files) makeNewSortfile(pf *File) error {
 	pf.appendUnique(f) // Append() enforce no unique keys
 	pf.iterSortBy(f)
 	pf.iterAll(f)
+	pf.iterDelete(f)
 	return nil
 }