Here's a way to trigger a redstone line from any distance away in Minecraft (assuming the chunk where the command block is, is loaded)
did you get this from etho?

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More by Aerophite:Playing With Command Blocks: Currency System For Vanilla Minecraft (1.6.2+) Redstone Distance Triggering in Minecraft 1.5 + Easy to Extend, Faster, Always Reliable Item Sorter Tutorial in Minecraft 1.5 + 
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