fxml_getValue {flatxml}

Value of an XML element

Description

Returns the value of an XML element.

Usage

fxml_getValue(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 value of the XML element with ID elemid. NA is returned if the element has no value.

Author(s)

Joachim Zuckarelli [e-mail]

See Also

fxml_hasValue

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 the value of the XML element with ID 4 (xml.dataframe$elemid. ==  4)
fxml_hasValue(xml.dataframe, 4)