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Testfor

Test for is a command added in 13w03a. If you know what it does place it in this treath.

The Testfor command, when used in a command block with a comparator next to it, will check whether or not a certain player is online, and if he is, outputs a pulse through the comparator.

Known: You can only use /testfor in a commandblock <ref>www.youtube.com/watch?v=dO9D9d5RXeo

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