Commands/testfor
< Commands
 Bedrock Edition only |
testfor
| Restrictions | |
|---|---|
| First introduced |
Java Edition 1.5 (Java Edition 13w03a
) |
| Removed |
Counts entities (players, mobs, items, etc.) matching specified conditions.
- Syntax
testfor <victim: target>
- Arguments
- victim: target
- Specifies the targets to count. Must be a player name or a target selector (
@eis permitted to target entities other than players).
- Specifies the targets to count. Must be a player name or a target selector (
- Result
- Fails if the arguments are not specified correctly, or if player fails to resolve to one or more entities (named players must be online).
- On success, produces a success count equal to the number of targets matching player, which can be measured by a redstone comparator facing away from the command block.
- Examples
- To test if Alice is online:
testfor Alice
- To count the number of players in survival mode within a 3-block radius of (0,64,0):
testfor @a[x=0,y=64,z=0,r=3,m=0]
- To count the number of zombies within a 20-block radius of (0,64,0):
testfor @e[x=0,y=64,z=0,r=20,type=zombie]
