ET/Unity/Assets/Editor/Helper/RenameSound.cs

using UnityEngine;
using UnityEditor;
using System.IO;
using System.Text.RegularExpressions;

public class RenameSoundTool
{
    [MenuItem("Tools/Rename Sounds to lowercase", false)]
    static void NotGetFiltered()
    {
        string targetPath = Application.dataPath + "/Res/Sounds";

        var count = 0;
        RenameDir(targetPath, ref count);
        Debug.Log($"Rename sound files count :{count}");
        
        AssetDatabase.Refresh();
    }

    static void RenameDir(string dir, ref int count)
    {
        DirectoryInfo di = new DirectoryInfo(dir);
        var files = di.GetFiles();
        // 遍历这个目录  
        foreach (var f in files)
        {
            //绕过mate文件
            if (f.Extension != ".meta")
            {
                var m = Regex.Match(f.Name, ".*[A-Z]+.*");
                if (m.Success)
                {
                    File.Delete(Path.Combine(f.Directory.FullName, f.Name + ".meta"));
                    f.MoveTo(Path.Combine(f.Directory.FullName, f.Name.ToLower()));
                    ++count;
                }
            }
        }

        foreach(var dd in di.GetDirectories())
        {
            RenameDir(dd.FullName, ref count);
        }
    }
}