- {"set", 3, INT_MAX, pre_cmd_set, cmd_set, NULL, "", RW},
- {"add", 4, INT_MAX, pre_cmd_add, cmd_add, NULL, "", RW},
- {"remove", 4, INT_MAX, pre_cmd_remove, cmd_remove, NULL, "", RW},
- {"clear", 3, INT_MAX, pre_cmd_clear, cmd_clear, NULL, "", RW},
+ {"set", 3, INT_MAX, pre_cmd_set, cmd_set, NULL, "--if-exists", RW},
+ {"add", 4, INT_MAX, pre_cmd_add, cmd_add, NULL, "--if-exists", RW},
+ {"remove", 4, INT_MAX, pre_cmd_remove, cmd_remove, NULL, "--if-exists",
+ RW},
+ {"clear", 3, INT_MAX, pre_cmd_clear, cmd_clear, NULL, "--if-exists", RW},