如何将常规文本文件包装成XML？

I have regular file and I need to wrap it into XML. The flat file may contain any legal ASCII character, including ',",<,>, newline etc. I also have a requirement to keep the original file content intact, i.e. no encoding or escaping. Is this even possible? I'm thinking CDATA... Thanks, ThomasI have regular file and I need to wrap it into