Children of an XML element

Determines if an XML element has any children.

fxml_hasChildren(xmlflat.df, elemid)

Arguments

xmlflat.df	A flat XML dataframe created with fxml_importXMLFlat.
elemid	The ID of the XML element. The ID is the value of the elemid. field in the flat XML dataframe.

Value

TRUE, if the the XML element with ID elemid has at least one child, FALSE otherwise.

See also

fxml_numChildren, fxml_getChildren

Examples

# 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)

# Check, if the XML element with ID 4 (xml.dataframe$elemid. ==  4) has any
# children (sub-elements)
fxml_hasChildren(xml.dataframe, 4)
#> logical(0)