XML: length.XMLNode – R documentation

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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 class 'XMLNode'
length(x)

Arguments

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

Value

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

Author(s)

Duncan Temple Lang

References

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

Examples

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

XML

Tools for Parsing and Generating XML Within R and S-Plus

v3.99-0.10

BSD_3_clause + file LICENSE

Authors

CRAN Team [ctb, cre] (de facto maintainer since 2013), Duncan Temple Lang [aut] (<https://orcid.org/0000-0003-0159-1546>), Tomas Kalibera [ctb]

Initial release