Command Block always activates Comparator
I am trying to do something with command blocks. I have it test for a player at a certain position. I have set up a hopper clock that activates a command block with
/testfor @a[x=-611,y=80,z=714]
For some reason, no matter where i stand, the command block will always produce a redstone signal. Even though when I check the "last output" it says that the player can't be found.
I think I figured it out, the redstone comparator is picking up a signal from the block like its a regular block, but I do not know how to fix this.
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Best Answer
Connect the comparator output to a command block with the following command:
/blockdata x y z {SuccessCount:0}
where x, y, and z are the coordinates of the first command block
This happens because the comparator outputs if the command block has ever successfully executed the command. By using the blockdata command, you set the successful-execution-of-command counter of the command block to 0, making the comparator turn off
sorry for my english :(
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How do you get command blocks always active?
A command block can also be activated by setting it to "Always Active" mode. When activated, a command block executes its command, depending on the command block's type: An impulse command block executes its command once.How make command block activate with command?
A redstone comparator can measure the fullness of a chest, as well as other block states, even through an opaque block.Comparator Testfor Problem fix
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Answer 2
If you write a wrong command like "testfor @a[asdsfa]" it will be "testfor @a" so it will search all the map and find you so comparator will powered "testfor @a[, , , r=]" try this
Answer 3
Comparators release a small signal to the first piece of redstone connected to it. The repeater is simply amplifying this signal. To fix, just make the repeater and the comparator a block or maybe two apart with redstone in the middle.
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