fxml_getValue: Value of an XML element

Description Usage Arguments Value Author(s) See Also Examples

View source: R/flatxml.r

Description

Returns the value of an XML element.

Usage

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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 [email protected]

See Also

fxml_hasValue

Examples

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# 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)

jsugarelli/flatxml documentation built on Aug. 7, 2018, 3:31 p.m.