The R XML package by Duncan Temple Lang, provides a very extensive collection of R functions for reading, writing and processing XML using R. The package can make R tree objects from XML, and implements an XPATH search capability for finding nodes and extracting values from trees.

You can obtain the R XML package by executing the commands below. A complete help library is included and automatically installed.

References

Lang, Duncan Temple Tools for parsing and generating XML in R,http://www.omegahat.org/RSXML/