From: William James <w_a_x_man@...>
Date: 2006-02-21T01:18:31+09:00
Subject: Re: How can I search value from xml

Artit Satanakulpanich wrote:
> How can i search value from xml file such as I want to find from *pubdate *and
> return* **biblioentry
> *Please give me some source code for further study*
> **
> <?xml version="1.0" encoding="ISO-8859-15"?>
> <!DOCTYPE bibliography PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
>           "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
> <bibliography id="personal_identity">
>     <biblioentry id="FHIW13C-1234">
>       <author>
>         <firstname>Godfrey</firstname>
>         <surname>Vesey</surname>
>       </author>
>       <title>Personal Identity: A Philosophical Analysis</title>
>       <publisher>
>         <publishername>Cornell University Press</publishername>
>       </publisher>
>       <pubdate>1977</pubdate>
>    </biblioentry>
>    <biblioentry id="FHIW13C-125">
>       <author>
>         <firstname>Geoffrey</firstname>
>         <surname>Madell</surname>
>       </author>
>       <title>The Identity of the Self</title>
>       <publisher>
>         <publishername>Edinburgh University Press</publishername>
>       </publisher>
>       <pubdate>1981</pubdate>
>    </biblioentry>
>    <biblioentry id="FHIW13C-1260">
>       <author>
>         <firstname>Sydney</firstname>
>         <surname>Shoemaker</surname>
>       </author>
>       <author>
>          <firstname>Richard</firstname>
>          <surname>Swinburne</surname>
>       </author>
>       <title>Personal Identity</title>
>       <publisher>
>         <publishername>Basil Blackwell</publishername>
>       </publisher>
>       <pubdate>1984</pubdate>
>     </biblioentry>
>     <biblioentry id="FHIW13C-1288-3">
>       <author>
>         <firstname>Jonathan</firstname>
>         <surname>Glover</surname>
>       </author>
>       <title>The Philosophy and Psychology of Personal Identity</title>
>       <publisher>
>         <publishername>Penguin</publishername>
>       </publisher>
>       <pubdate>1988</pubdate>
>     </biblioentry>

class String
  def xtag(s)
    scan( %r! ( < #{s} [^>]* > ) ( .*? )  </ #{s} > !mx )
  end
end

gets(nil).xtag("biblioentry").each { |tag,data|
  if data.xtag("pubdate")[0][1] > "1984"
    print tag, data, "\n"
  end
}