norman.walsh.name: Comments on /2005/06/13/xshhttp://norman.walsh.name/2005/06/13/xsh/comments.atom2012-05-22T20:03:46.451606ZComment 1 on /2005/06/13/xshhttp://norman.walsh.name/2010/09/25/oauth#comment00012005-06-13T18:57:24Z2005-06-13T18:57:24ZNikolas Coukoumada39a3ee5e6b4b0d3255bfef95601890afd80709

Alex Schroeder wrote an XPath tool for Emacs. You can find it here along with some other things.

Comment 2 on /2005/06/13/xshhttp://norman.walsh.name/2010/09/25/oauth#comment00022005-06-20T12:07:24Z2005-06-20T12:07:24ZTobida39a3ee5e6b4b0d3255bfef95601890afd80709
XMLStarlet is another tool: 
$ xmlstar sel -N "f=http://www.w3.org/1999/XSL/Format" -t -v "//f:flow/f:inline/@id" foo.xml
bottom
$
Comment 3 on /2005/06/13/xshhttp://norman.walsh.name/2010/09/25/oauth#comment00032005-06-20T12:09:24Z2005-06-20T12:09:24ZTobida39a3ee5e6b4b0d3255bfef95601890afd80709

P.S. Here's one way how it can be used from an editor:

howto/vimxml/moretasks.xml#questions

Comment 4 on /2005/06/13/xshhttp://norman.walsh.name/2010/09/25/oauth#comment00042006-12-29T00:05:34Z2006-12-29T00:05:34ZIsmael Oleada39a3ee5e6b4b0d3255bfef95601890afd80709

Other tools are xmlclitool or HTML-XML-utils.