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favorite duplicate code tool?

 
Jeanne Boyarsky
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posted 17 years ago
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Does anyone have a favorite tool for finding duplicate (copy/pasted) code? Preferably one that is Eclipse based or runs through Ant.

I'm aware that there are a number of tools out there for finding duplicate code, but sometimes finding out what people are really using is more valuable. Your opinions helped greatly when picking a code coverage tool.

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Ulf Dittmer
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posted 17 years ago
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The only one I've used is CPD -which is part of PMD- and it does have an Ant task (not sure about Eclipse integration).
 
Ilja Preuss
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posted 17 years ago
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I've tried a view, but I didn't really use any of them regularly. I think it's because I don't find much value in refactoring code that I don't currently touch anyway, and than I typically spot the duplication without the use of a tool.

Another thing is that those tools can only spot syntactic duplication. Most often, it's the semantic duplication that's killing me - two parts of code that are doing the same thing in slightly different ways...

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Jeanne Boyarsky
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Interesting. Thanks guys.

Ilja: Thanks for adding something about the tools that I didn't think about

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