ysar.xml

<table xmlns="http://query.yahooapis.com/v1/schema/table.xsd">
  <meta>
    <author>Sheridan C. Rawlins</author>
    <sampleQuery>select * from {table} where host="www.yahoo.com"</sampleQuery>
  </meta>
  <bindings>
    <select itemPath="ysar.line" produces="XML">
      <urls>
        <url>http://{host}/ysar</url>
      </urls>
      <inputs>
        <key id="host" type="xs:string" paramType="path" required="true"/>
        <key id="interval" type="xs:number" paramType="query"/>
      </inputs>
      <execute><![CDATA[
      var fetch = y.query('select * from html where url=@url and xpath="//pre"', {url : request.url});

      var ysar = fetch.results.pre;
      var ysarXML = <></>;
      var headerLines = 0;
      var headers = [];
      for each (var line in ysar.split("\n")) {
        var isHeader = !line.match(/^\d/);
        var foundHeader = false;

        var vals = <></>;
        var havevals = false;
        var headerIndex = 0;
        for each (var val in line.replace(/\s+/g," ").split(" ")) {
          if ( val.match(/\S/) ) {
            if ( isHeader ) {
              foundHeader = true;
              if ( headerLines < 2 ) {
                if ( ! headers[headerIndex] ) {
                  headers[headerIndex] = [];
                }
                headers[headerIndex++].push(val);
              }
            } else {
              vals += <val id={headers[headerIndex++].join(" ")}>{val}</val>;
              havevals = true;
            }
          } else if ( isHeader ) {
            ++headerIndex;
          }
        }
        if ( foundHeader ) {
          ++headerLines;
        } else {
          if ( havevals ) {
            ysarXML += <line>{vals}</line>;
          }
        }
      }

      response.object = <ysar><url>{request.url}</url>{ysarXML}</ysar>;
      ]]></execute>
    </select>
  </bindings>
</table>