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Language E4X

(Generating the song using E4X and Rhino)

Date:04/07/07
Author:Ray Djajadinata
URL:http://rayfd.wordpress.com/
Comments:0
Info:http://www.ecma-international.org/publications/standards/Ecma-357.htm
Score: (3.00 in 17 votes)
// get the lyrics page. Rhino readUrl() method is particularly
// convenient.
var rawLyrics = readUrl("http://99-bottles-of-beer.net/lyrics.html");

// the html lyrics page (http://99-bottles-of-beer.net/lyrics.html) 
// is not well-formed, so we have to replace <br> with <br/>
var wellFormedRawLyrics = rawLyrics.replace(/<br>/gi, "<br/>");
var xmlLyrics = new XML(wellFormedRawLyrics);

// set the default namespace for convenience--don't hardcode
default xml namespace = xmlLyrics.namespace();

// First, we look for any elements in the page that contains an element 
// whose text starts with "99 bottles of beer". 
var songVerses = xmlLyrics..*.(/^99 bottles of beer/.test(p.text()));

// Then we print each verse, adding newlines as necessary
for each(var verse in songVerses.children()) { 
	var verseText = verse.text().toString().replace("\.", ".\n");
	print(verseText + "\n");
}

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