Returns the value of a specific attribute of an XML element.
fxml_getAttribute(xmlflat.df, elemid, attrib.name)
xmlflat.df | A flat XML dataframe created with |
---|---|
elemid | The ID of the XML element. The ID is the value of the |
attrib.name | Name of the attribute. |
The value of attribute attrib.name
of the XML element with ID elemid
. If the attribute is not existing, an error message is shown.
# Load example file with population data from United Nations Statistics Division # and create flat dataframe example <- system.file("worldpopulation.xml", package="flatxml") xml.dataframe <- fxml_importXMLFlat(example) # Read the value of attribute "name" from the XML element with ID 4 (xml.dataframe$elemid. == 4) fxml_getAttribute(xml.dataframe, 4, "name")#> [1] "Country or Area"