cmd_selectobj

command: /selectobj

quick ref:

/selectobj @category{entity_selectors}

description:

select entities by parameters. 
/selectobj		: if no parameters, it will select all objects in current viewport.
/selectobj @e{r=5, type="Railcar"}    :select all railcar entities within 5 meters from the triggering entity
/selectobj @e{r=5, type="Railcar", count=1}    :select the closet one railcar within 5 meters from the triggering entity
/selectobj @e{r=5, name="abc"}    :select entity whose name is abc
/selectobj @e{r=5, nontype="Player"}    :select entities that is not a player within 5 meters from the triggering entity
/selectobj @p{r=5, }    :select all players within 5 meters from the triggering entity