static void ParseCorpus(string corpusDir, string outFile)
{
var corpusStats = new CorpusStats(corpusDir);
var featureExtractor = new FeatureExtractor(corpusStats);
File.WriteAllLines(Path.Combine(corpusDir, outFile),
Directory.GetFiles(corpusDir)
.SelectMany(featureExtractor.ExtractFeatures)
.Select(x => x.First().ToString("F0") + " " + FeaturesToString(x.Skip(1))));
}
public FeatureExtractor(CorpusStats corpusStats)
{
this.corpusStats = corpusStats;
}