2 sort -by phone <sample.xml | print
4 once sort and print are compiled.
6 These examples illustrate iter_tree, map_tree and find_element.
9 sort: reads an XML file from stdin, sorts the records, and prints the
11 delcol: reads an XML file from stdin, deletes a column from all records,
12 and prints the result as XML.
13 print: reads an XML file from stdin, and pretty-prints the file
15 The XML file must not contain a DTD. The programs assume the fixed DTD