I've been experimenting with command blocks in Minecraft Pocket Edition, and I decided to have repeating command blocks to set the time to day. Since then, I don't want them anymore. Is there a command I can put in a command block to test if there are any command blocks within a certain radius, or does radius only work with players?

  • there's no good way to test for a block within a radius of a player, but if you don't care about deleting the blocks you can fill-replace the are you think its in. – Venya Apr 15 '17 at 1:16

Use the /testforblock command, where <position: x y z> is the position of the block to be tested and <tileName: string> is the block ID of a block. So you would want to do

testforblock <x> <y> <z> minecraft:repeating_command_block

Refer to the official wiki: http://minecraft.gamepedia.com/Commands

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