length.XMLNode: Determine the number of children in an XMLNode object.
In cosmicexplorer/xmlr: Tools for parsing and generating XML within R and S-Plus.

Description Usage Arguments Value Author(s) References See Also Examples

This function is a simple way to compute the number of sub-nodes (or children) an XMLNode object possesses. It is provided as a convenient form of calling the xmlSize function.

1 2	## S3 method for class 'XMLNode' length(x)

`x`	the `XMLNode` object whose length is to be queried.

An integer giving the number of sub-nodes of this node.

Duncan Temple Lang

http://www.w3.org/XML, http://www.jclark.com/xml, http://www.omegahat.org

xmlSize xmlChildren

  doc <- xmlTreeParse(system.file("exampleData", "mtcars.xml", package="XML"))
  r <- xmlRoot(doc, skip=TRUE)
  length(r)
    # get the last entry
  r[[length(r)]]