serialization options ] [-w string|element ] [-r] [file ...]
|-w string||Wraps each xml file with an element named "string"|
|-w element||Wraps each xml file with the specified element|
|-r||Removes root element|
Supports the standard [ serialization options ]
If no files are specified, then stdin is read.
If no file or one file is specified and no -w argument is given, the file is parsed and serialized without wrapping.
If a -w argument is given the the file is wrapped with a container element.
If the -r argument is specified then the root element is stripped from each file,
if -r is specified and no -w argument then if there is more then one file and/or more then one child of root then this produces an error.