将多个基于cmdlet xml的帮助文件写入单个xml文件

The resources for writing xml help files for advanced functions seems very limited. I'm hoping to use xml-based help files, but it seems that this requires me to have one xml file per cmdlet, which is a huge number of xml files. Each cmdlet uses the .ExternalHelp to assign an xmlfile to it.The resources for writing xml help files for ad