[H-GEN] Edit massive XML files

[Mick]

On Mon, 19 Sep 2011 12:51:39 +1000
Russell Stuart <russell-humbug at stuart.id.au> wrote:

> On Mon, 2011-09-19 at 12:16 +1000, Mick wrote: 
> > I am sure a combination of grep & sed or similar could automate this
> > but I can't get my head around the sed part.
> 
> Maybe it could, but without actual samples showing the data you are
> trying to edit and what you are trying to accomplish it is hard to
> say.
> 
mea culpa

small snips 
===========
...
  <node id="290343" version="3" timestamp="2011-07-01T10:12:42Z"
	uid="61216" user="UniEagle" changeset="8597887" lat="51.2238425"
	lon="-2.5264778"/>
  <node id="290344" version="7" timestamp="2011-06-01T11:50:39Z" 
	uid="109205" user="Jack Stringer" changeset="8309592"
	lat="51.2237079" 	lon="-2.5236032">
    <tag k="name" v="Oakhill"/> 
    <tag k="place" v="village"/> 
    <tag k="postal_code" v="BA3 5"/>
    <tag k="source" v="npe"/>
  </node>
  <node id="290345" version="7" timestamp="2009-10-29T15:49:02Z"
	uid="90943" user="chris_debian" changeset="2982115"
	lat="51.2222188" lon="-2.5236527"/>
...

should become
=============
...
  <node id="290343" version="3" timestamp="2011-07-01T10:12:42Z"
	uid="61216" user="UniEagle" changeset="8597887" lat="51.2238425"
	lon="-2.5264778"/>
  <node id="290344" version="7" timestamp="2011-06-01T11:50:39Z" 
	uid="109205" user="Jack Stringer" changeset="8309592"
	lat="51.2237079" 	lon="-2.5236032">
    <tag k="name" v="Oakhill"/> 
    <tag k="place" v="village"/> 
  </node>
  <node id="290345" version="7" timestamp="2009-10-29T15:49:02Z"
	uid="90943" user="chris_debian" changeset="2982115"
	lat="51.2222188" lon="-2.5236527"/>
...
==========

in this instance the tags:
    <tag k="postal_code" v="BA3 5"/>
    <tag k="source" v="npe"/>
need to be deleted along with EVERY other instance whatever the v="
value is

mick