fxml_getChildren {flatxml}

Children of an XML element

Description

Returns the children of an XML element.

Usage

fxml_getChildren(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

The IDs (xmlflat.df$elemid.) of the children of the XML element with ID elemid. If no children exist, NULL is returned.

Author(s)

Joachim Zuckarelli [e-mail]

See Also

fxml_hasChildren, fxml_numChildren

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)

# Get all the children (sub-elements) of the XML element with ID 4 (xml.dataframe$elemid. ==  4)
fxml_hasChildren(xml.dataframe, 4)