Removed spaces from top-level directory names.

Spaces tend to cause annoyances in a Unix-style shell environment.
This change fixes that.

05_Bagels/csharp/Game.cs

@@ -0,0 +1,124 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+
+namespace BasicComputerGames.Bagels
+{
+	public class Game : GameBase
+	{
+		public void GameLoop()
+		{
+			DisplayIntroText();
+			int points = 0;
+			do
+			{
+				var result =PlayRound();
+				if (result)
+					++points;
+			} while (TryAgain());
+
+			Console.WriteLine();
+			Console.WriteLine($"A {points} point Bagels buff!!");
+			Console.WriteLine("Hope you had fun. Bye.");
+		}
+
+		private const int Length = 3;
+		private const int MaxGuesses = 20;
+
+		private bool  PlayRound()
+		{
+			var secret = BagelNumber.CreateSecretNumber(Length);
+			Console.WriteLine("O.K. I have a number in mind.");
+			for (int guessNo = 1; guessNo <= MaxGuesses; ++guessNo)
+			{
+				string strGuess;
+				BagelValidation isValid;
+				do
+				{
+					Console.WriteLine($"Guess #{guessNo}");
+					strGuess = Console.ReadLine();
+					isValid = BagelNumber.IsValid(strGuess, Length);
+					PrintError(isValid);
+				} while (isValid != BagelValidation.Valid);
+
+				var guess = new BagelNumber(strGuess);
+				var fermi = 0;
+				var pico = 0;
+				(pico, fermi) = secret.CompareTo(guess);
+				if(pico + fermi == 0)
+					Console.Write("BAGELS!");
+				else if (fermi == Length)
+				{
+					Console.WriteLine("You got it!");
+					return true;
+				}
+				else
+				{
+					PrintList("Pico ", pico);
+					PrintList("Fermi ", fermi);
+				}
+				Console.WriteLine();
+			}
+
+			Console.WriteLine("Oh, well.");
+			Console.WriteLine($"That's {MaxGuesses} guesses.  My Number was {secret}");
+
+			return false;
+
+		}
+
+		private void PrintError(BagelValidation isValid)
+		{
+			switch (isValid)
+			{
+				case BagelValidation.NonDigit:
+					Console.WriteLine("What?");
+					break;
+
+				case BagelValidation.NotUnique:
+					Console.WriteLine("Oh, I forgot to tell you that the number I have in mind has no two digits the same.");
+					break;
+
+				case BagelValidation.WrongLength:
+					Console.WriteLine($"Try guessing a {Length}-digit number.");
+					break;
+
+				case BagelValidation.Valid:
+					break;
+			}
+		}
+
+		private void PrintList(string msg, int repeat)
+		{
+			for(int i=0; i<repeat; ++i)
+				Console.Write(msg);
+		}
+
+		private void DisplayIntroText()
+		{
+			Console.ForegroundColor = ConsoleColor.Yellow;
+			Console.WriteLine("Bagels");
+			Console.WriteLine("Creating Computing, Morristown, New Jersey.");
+			Console.WriteLine();
+
+			Console.ForegroundColor = ConsoleColor.DarkGreen;
+			Console.WriteLine(
+				"Original code author unknow but suspected to be from Lawrence Hall of Science, U.C. Berkley");
+			Console.WriteLine("Originally published in 1978 in the book 'Basic Computer Games' by David Ahl.");
+			Console.WriteLine("Modernized and converted to C# in 2021 by James Curran (noveltheory.com).");
+			Console.WriteLine();
+
+			Console.ForegroundColor = ConsoleColor.Gray;
+			Console.WriteLine("I am thinking of a three-digit number.  Try to guess");
+			Console.WriteLine("my number and I will give you clues as follows:");
+			Console.WriteLine("   pico   - One digit correct but in the wrong position");
+			Console.WriteLine("   fermi  - One digit correct and in the right position");
+			Console.WriteLine("   bagels - No digits correct");
+			Console.WriteLine();
+
+			Console.ForegroundColor = ConsoleColor.Yellow;
+			Console.WriteLine("Press any key start the game.");
+			Console.ReadKey(true);
+		}
+	}
+}