[C#] 파일 읽기, 저장하기 (UTF8)

using System.Collections.Generic;
using System.IO;
using System.Text;

namespace CHashtag
{
    class FileIO
    {
        static void Main(string[] args)
        {
            string inputFilePath = @"c:\temp\input.txt";
            string outputFilePath = @"c:\temp\output.txt";

            var inputArr = File.ReadAllLines(inputFilePath, Encoding.UTF8);

            // change array to list
            var inputList = new List<string>(inputArr);

            List<string> outputList = new List<string>();

            inputList.ForEach(x => outputList.Add(string.Format("[Success] {0}", x)));

            File.WriteAllLines(outputFilePath, outputList, Encoding.UTF8);
        }
    }
}