Re: [xml] How to select a node based on attribute values?

[Daniel Veillard <veillard redhat com>]

On Tue, Nov 28, 2006 at 09:35:38PM -0500, John Dennis wrote:
> no need to iterate, just create an xpath expression which specifies id=2

  Well libxml2 XPath implementation will iterate for you more precisely.

> off the top of my head the expression would be "/plc[ id="2"]"
>
> just google xpath syntax or xpath examples, you'll turn up a ton
>
> libxml2 xpath example C code here:
> http://xmlsoft.org/examples/index.html#XPath
>
> The xpath spec has examples too: http://www.w3.org/TR/xpath
>
> If you're comfortable with python or another scripting language you can
> construct a simple test program to exercise your xpath syntax in about 5
> minutes.

  You can test that even faster using xmllint --shell test.xml
and using the xpath command directly there

Daniel

-- 
Red Hat Virtualization group http://redhat.com/virtualization/
Daniel Veillard      | virtualization library  http://libvirt.org/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine  http://rpmfind.net/