gistfile1.rb

#!/usr/bin/env ruby
require "rubygems"
require "dexterous"
require "pp"

file = ARGV.shift

unless file
  puts "Usage: #{$0} FILE ID [ID2, ...]"
  exit 1
end

query = ARGV.inject({}) do |memo, arg|
  memo["#{arg}(//location/[objid='#{arg}'])"] = {
    "name" => "Name",
    "address" => "Address",
  }
  memo
end

dex = Dexterous.new(query)
pp dex.parse(:file => file, :input => :xml)

# 111:~ kyle$ ruby locquery.rb locations_nyv.xml 669491 669502
# {"669502"=>
#   {"name"=>"PJ Clarke's", "address"=>"44 W 63rd St. | Lincoln Square"},
#  "669491"=>{"name"=>"Peep", "address"=>"177 Prince St."}}