Github user elbamos commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/208#issuecomment-156909774 @jongyoul What's excluded from rat are files that get generated automatically during the build process -- they are the R equivalent of a .class or .jar file. There are two rzeppelin folders. One contains R source code. The other contains the actual compiled R package. Console.scala is used to create a virtual interface to R. I believe its called by an implicit, but that is actually part from rscala that I haven't tinkered with.
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