Gist of the Day: Map-Reduce in MongoDB

This is assuming the previous Gist seen here, as well as the CSV file seen here.
Once you have Mongo loaded with this info, this MongoDB Script here will create an output table counting the first letter of the first name of all entries in the data loaded via CSV. It’s not terribly sexy, but it is kinda neat.
Here’s the Gist: https://gist.github.com/manchicken/6331238