FileStream---- 파일 스트림 작업

void Start()
    {
        string path= @"F:\UnityProjects_5.6.4\CSharpStudy\001.txt";
        //1.     
        FileStream fileStream = new FileStream(path,FileMode.Open);

        //2.      
        byte[] data = new byte[1024];

        //3.  /    

        while (true)
        {
            //    ，data     ，        data  0    ，data.Length     
            int length = fileStream.Read(data, 0, data.Length);
            if (length==0)
            {
                Debug.Log("    ");
                break;
            }
            for (int i = 0; i < length; i++)
            {
                Debug.Log(data[i]);
            }
        }

        //        
        string path2= @"F:\UnityProjects_5.6.4\CSharpStudy\002.txt";
        //        
        string path3= @"F:\UnityProjects_5.6.4\CSharpStudy\003.txt";
        //       
        //   ，    002   
        FileStream readSream = new FileStream(path2,FileMode.Open);
        //   ，   002      003 
        FileStream writeStream = new FileStream(path3,FileMode.Open);

        byte[] data2 = new byte[1024];

        while (true)
        {
            //              Read      ，       ，                  
            //  002.txt    ，   data2 
           
            int length = readSream.Read(data2,0,data2.Length);
            if (length==0)
            {
                Debug.Log("    ");
                break;
            }
            else
            {//              Write      ，       ，                
             //  002.txt     003 
                writeStream.Write(data2,0,data2.Length);
            }
        }
    }