微软虚拟学院字幕获取，改进。

using System;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
namespace srt_exchange
{
class Program
{
static void Main(string[] args)
{
// Get the current directory.获得程序当前路径
string path = Directory.GetCurrentDirectory();
Console.WriteLine("The current directory is {0}", path);
//DirectoryInfo dicInfo = new DirectoryInfo(@"D:\User\desktop\srt");
DirectoryInfo dicInfo = new DirectoryInfo(path);
Directory.CreateDirectory(path+"\\new\\");
foreach (var fi in dicInfo.GetFiles("*.srt"))
{
Console.WriteLine(fi.Name);
using (StreamReader fs = new StreamReader(path+"\\"+fi.Name, Encoding.Default))
{
//string data = fs.ReadToEnd();
String data="";
while(!fs.EndOfStream)
{
string buf = fs.ReadLine();
if (buf != "WEBVTT")
{
data += buf+"\n";
}
}
Regex regex = new Regex("\n[0-9][0-9]:[0-9][0-9]:[0-9][0-9].[0-9][0-9][0-9]");
var matches = regex.Matches(data);
int i = 1;
foreach (Match match in matches)
{
var oldValue = match.Groups["0"].Value;
var newValue = "\r\n" + i + oldValue;
//Console.WriteLine(oldValue+" "+newValue+"\n");
i++;
data = data.Replace(oldValue, newValue);
}
Console.WriteLine(data);
using (FileStream fs2 = new FileStream(path+"\\new\\"+ fi.Name, FileMode.OpenOrCreate))

格式又变了。有的都没有字幕。

格式变了 咋搞