WikipediaArticle.cs

/// <summary>
/// Writes a set of <see cref="WikipediaArticle"/>s to disk in a simple binary format consisting of the article title and the plaintext contents.
/// </summary>
/// <param name="articles">A set of articles, probably from <see cref="ReadArticlesFromXmlDump"/></param>
/// <param name="outputFilename">The filename into which articles should be saved</param>
/// <returns>The number of articles written</returns>
public static int WriteToDisk(IEnumerable<WikipediaArticle> articles, string outputFilename)
{
    var numberOfArticles = 0;
    using (var fh = File.Create(outputFilename))
    using (var bh = new BinaryWriter(fh))
    {
        foreach (var article in articles)
        {
            bh.Write(article.Title);
            bh.Write(article.Plaintext);
            ++numberOfArticles;
        }
    }

    return numberOfArticles;
}