8. Escape/Unescape special XML characters

Here is synopsis for 'xml esc' command:

xml esc --help
XMLStarlet Toolkit: Escape special XML characters
Usage: xml esc [<options>] [<string>]
where <options> are
   --help      - print usage
   (TODO: more to be added in future)
if <string> is missing stdin is used instead.

XMLStarlet is a command line toolkit to query/edit/check/transform
XML documents (for more information see http://xmlstar.sourceforge.net/)


# Escape special XML characters
cat xml/structure.xml | xml esc