Returns the unique XML elements included in an XML document.
fxml_getUniqueElements(xmlflat.df)
xmlflat.df | A flat XML dataframe created with |
---|
A vector with all the names of the elements included in the XML document xmlflat.df
. Every tag is only returned once, even if it occurs multiple times in the document. The return vector is empty (NULL
) if no elements exist.
# 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) # Identify the unique XML elements fxml_getUniqueElements(xml.dataframe)#> [1] "ROOT" "data" "record" "field" "footnotes" "footnote"