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= Mungr Mungr is a Ruby DSL that makes it easy to read one or more inputs, munge the data around, and write the results to one or more outputs. Update: The goal is to build a nice DSL, and a command-line program that wraps that, for expressing inputs, outputs, and munging operations. However, the current implementation is flawed. A munger needs to be less tied to the readers and writers. Currently a munger cannot send more data down to the writers than it receives from readers and each invocation requires a pull from the readers. This makes it impossible to do something simple like read a list of files from a directory but generate lines of input from each of those files. Another issue is that the roles are very locked in. Reading stock information from a CSV file could handle the CSV conversion as a reader while reading from a URL would require a munge level conversion. This raises the barrier of entry for adding new capabilities to the system. This needs to be fixed implementation wise and I believe the right approach is to base the system on something like Ruby 1.9's Enumerator or Fiber and just define a minimal interface for pipelining them to each other.