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XML (version 1.92-0)

xmlAttrs: Get the list of attributes of an XML node.

Description

This returns a named character vector giving the name-value pairs of attributes of an XMLNode object which is part of an XML document.

Usage

xmlAttrs(node, ...)
 'xmlAttrs<-'(node, value)

Arguments

node
The XMLNode object whose attributes are to be extracted.
...
additional arguments for the specific methods, currently ignored but present for future extensions.
value
a named character vector giving the new attributes to be added to the node.

Value

  • A named character vector, where the names are the attribute names and the elements are the corresponding values. This corresponds to the (attr, "value") pairs in the XML tag

References

http://www.w3.org

See Also

xmlChildren, xmlSize, xmlName

Examples

Run this code
fileName <- system.file("exampleData", "mtcars.xml", package="XML") 
 doc <- xmlTreeParse(fileName)

 xmlAttrs(xmlRoot(doc))

 xmlAttrs(xmlRoot(doc)[["variables"]])


 doc <- xmlTreeParse(fileName, useInternalNodes = TRUE)
 d = xmlRoot(doc)
   # skip over the comment
 d = XML:::getNextSibling(d)

 xmlAttrs(d)
 xmlAttrs(d) <- c(name = "Motor Trend fuel consumption data",
                  author = "Motor Trends")
 xmlAttrs(d)

   # clear all the attributes and then set new ones.
 removeAttributes(d)
 xmlAttrs(d) <- c(name = "Motor Trend fuel consumption data",
                  author = "Motor Trends")

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