#include#include "pugixml.hpp" int main() { pugi::xml_document doc; doc.load_file("example.xml"); pugi::xml_node root = doc.child("root"); pugi::xml_node newElement = root.append_child("newElement"); newElement.append_child("subElement") = "value"; doc.save_file("example.xml"); }
#includeIn this example, we are adding a new attribute "newAttribute" to the root element. We are using the pugixml library for writing XML documents. Package library: pugixml#include "pugixml.hpp" int main() { pugi::xml_document doc; doc.load_file("example.xml"); pugi::xml_node root = doc.child("root"); root.append_attribute("newAttribute") = "value"; doc.save_file("example.xml"); }