#!/usr/bin/env ruby

require "rexml/document"

string = <<EOF
<kml><Placemark>
    <Icon><href>a.png</href> </Icon>
    <Icon><href>b.png</href> </Icon>
</Placemark> </kml>
EOF
doc = REXML::Document.new string

$dest_fp = Hash.new

doc.elements.each("kml/Placemark") {
    |element| element.elements.each("Icon/href") {
            |icon| puts icon.text
                  tmp = icon.text.split( "/" ).last()
                  filename = tmp.split( "." ).first() + ".kml"
                  puts filename

                  destfile = $dest_fb[filename]
                  unless destfile
                      destfile = File::open( destination, File::CREAT|File::TRUNC|File::WRONLY )

                      if destfile == nil
                          puts( "Error: Destination file is not writable." )
                        exit( 1 )
                      end

                      $dest_fp[filename] = destfile
                      destfile << "prefix"
                  end

                  destfile << element
            }
}





-->

roland@linux:~/work/kml> ./cc.rb
a.png
a.kml
./cc.rb:22: undefined method `[]' for nil:NilClass (NoMethodError)
        from ./cc.rb:16:in `each'
        from /usr/lib/ruby/site_ruby/1.8/rexml/element.rb:939:in `each'
        from /usr/lib/ruby/site_ruby/1.8/rexml/xpath.rb:53:in `each'
        from /usr/lib/ruby/site_ruby/1.8/rexml/element.rb:939:in `each'
        from ./cc.rb:16
        from ./cc.rb:15:in `each'
        from /usr/lib/ruby/site_ruby/1.8/rexml/element.rb:939:in `each'
        from /usr/lib/ruby/site_ruby/1.8/rexml/xpath.rb:53:in `each'
        from /usr/lib/ruby/site_ruby/1.8/rexml/element.rb:939:in `each'
        from ./cc.rb:15