The <<XYZ ... XYZ syntax for multi-line strings is worth learning since it is used in shell, ruby, php, and others. See https://en.m.wikipedia.org/wiki/

The <<XYZ ... XYZ syntax for multi-line strings is worth learning since it is used in shell, ruby, php, and others. See https://en.m.wikipedia.org/wiki/Here_document https://en.m.wikipedia.org/wiki/Here_document . You get to pick the "EOF" delimiter.