FileConvertCommaAsciiToChar.cs

//  Created by Gumpanat Keardkeawfa on 11/14/16.
//  Copyright © 2016 Auycro. All rights reserved.

using System;
using System.IO;
using System.Text;

namespace FileConvertCommaAsciiToChar
{
	class MainClass
	{
		static string[] files;

		public static void Main (string[] args)
		{
			if (args.Length < 1) {
				Console.WriteLine ("No parameter found");
				return; 
			}
				
			files = GetFiles (args[0]);
			//ListFilesName (files);
			Console.WriteLine ("Hello World! "+files.Length);

			//ReadAllLine (files [0]);
			SaveFileWithEn (files [0]);
		}

		public static string[] GetFiles(string rootfolder){
			return Directory.GetFiles(rootfolder, "*.txt", SearchOption.AllDirectories);
		}

		public static void ListFilesName(string[] files){
			foreach(string file in files)
				Console.WriteLine (file);
		}
			
		public static string ConvertHtmlDecodeToChar(string line){
			return line
				.Replace ("&#044;", ",");
				//.Replace ("&#33;", "!")
		}

		public static void ReadAllLine(string filename){
			Console.WriteLine ("ReadAllLine :"+filename);

			string[] lines = System.IO.File.ReadAllLines(filename);
			foreach (string line in lines)
			{
				// Use a tab to indent each line of the file.
				Console.WriteLine("\t" + ConvertHtmlDecodeToChar(line));
			}
		}

		public static void SaveFileWithEn(string file){
			var path = Path.GetDirectoryName (file);
			//var fileName = Path.GetFileNameWithoutExtension (file)+"_en.txt";
			var fileName = Path.GetFileName(file);
			var outputFileName = Path.Combine (path, fileName);

			using (StreamWriter outputfile = (File.Exists(outputFileName)) ? File.AppendText(outputFileName) : File.CreateText(outputFileName))
			{
				string[] lines = System.IO.File.ReadAllLines(file);
				foreach (string line in lines)
				{
					// Use a tab to indent each line of the file.
					outputfile.WriteLine(ConvertHtmlDecodeToChar(line));
				}
			}
		}
	}
}