A Swiss-army knife for data file I/O
Description
Rio is a set of tools aims to simplify the process of
importing/exporting data. The import() and export() functions will
determine data file format base on the file extension, without the need to
select appropriate read/write function for the specific data file format.
For example, exporting the iris data into a csv file can be achieved with
the following command: export(iris, "iris.csv")