private static GeoFile[] GetCountryDumps(GeoFileDownloader downloader)
{
var w = new WebClient();
var document = w.DownloadString(downloader.BaseUri);
var countries = new Regex("href=\"([A-Z]{2}.zip)", RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.IgnoreCase)
.Matches(document)
.Cast<Match>()
.Select(m => new GeoFile { Filename = m.Groups[1].Value, Test = (f) => ExecuteTest(f, (fn) => { return GeoFileReader.ReadExtendedGeoNames(fn).Count(); }) });
var featurecodes = new Regex("href=\"(featureCodes_[A-Z]{2}.txt)", RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.IgnoreCase)
.Matches(document)
.Cast<Match>()
.Select(m => new GeoFile { Filename = m.Groups[1].Value, Test = (f) => ExecuteTest(f, (fn) => { return GeoFileReader.ReadFeatureCodes(fn).Count(); }) });
return countries.Union(featurecodes).OrderBy(m => m.Filename).ToArray();
}