Download m3u songs

var text = File.ReadAllText(@"e:\kefirPls.m3u", Encoding.GetEncoding(1251));
Func<string,string> getFileName = s =>
{
    foreach (char c in Path.GetInvalidFileNameChars().Concat(Path.GetInvalidPathChars()).Concat(new[]{'.'}))
    {
        s = s.Replace(c.ToString(), "");
    }
    return s.Length > 100 ? s.Substring(0, 100) : s;
};

text.Substring(0, 200).Dump();

var fileInfos = Regex.Matches(text, "#EXTINF:[0-9]+,(.*?)\n(.*)")
.Cast<Match>()
.Select(m=>new{Title=m.Groups[1].Value, Url=m.Groups[2].Value, FileName=getFileName(m.Groups[1].Value) + ".mp3"});

foreach(var f in fileInfos)
{
    f.Dump();
    var targetFile = Path.Combine(@"e:\KefirPls", f.FileName);
    if (!File.Exists(targetFile))
    {
        new WebClient().DownloadFile(f.Url, targetFile);
    }
}