length.XMLNode: Determine the number of children in an XMLNode object.
Description
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.
Usage
# S3 method for XMLNode
length(x)
Value
An integer giving the number of sub-nodes
of this node.
doc <- xmlTreeParse(system.file("exampleData", "mtcars.xml", package="XML"))
r <- xmlRoot(doc, skip=TRUE)
length(r)
# get the last entry r[[length(r)]]