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c#:文件夹下批量修改后缀

卿卿如梦 2022-11-01 阅读 62


using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Mp41
{
class Program
{
static void Main(string[] args)
{
var dir = Directory.GetCurrentDirectory();
foreach (var f in new DirectoryInfo(dir).GetFiles("*.mp41", SearchOption.TopDirectoryOnly))
{
f.MoveTo(Path.ChangeExtension(f.FullName, "mp4"));
}
}
}
}


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