length.XMLNode function

Determine the number of children in an XMLNode object.

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.

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

Arguments

• x: the XMLNode object whose length is to be queried.

Returns

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

References

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

Author(s)

Duncan Temple Lang

See Also

xmlSize

xmlChildren

Examples

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