readISO19139 is a function to read a ISO 19139 from a file or url into an object in the geometa model.
readISO19139(file, url, raw)
Arguments
file: a valid file path, as object of class character
url: a valid URL, as object of class character
raw: indicates if the function should return the raw XML. By default this is set to FALSE and the function will try to map the xml data to the geometa data model.