string nil

Signed-off-by: bufferflies <1045931706@qq.com>
tikv · Dec 21, 2021 · 92a1497 · 92a1497
1 parent 08931b3
commit 92a1497
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tools/pd-ctl/pdctl/ctl.go b/tools/pd-ctl/pdctl/ctl.go
@@ -205,7 +205,7 @@ func ReadStdin(r io.Reader) (input []string, err error) {
 	if err != nil {
 		return nil, err
 	}
-	if s := strings.TrimSpace(string(b)); s != "" {
+	if s := strings.TrimSpace(string(b)); len(s) > 0 {
 		input = strings.Split(s, " ")
 	}
 	return input, nil