C# program to arrange movies into folders, then those folders in groups by first letter (A-Z...)

FileArranger.cs

using System;
using System.IO;
using System.Linq;

namespace FileArranger
{
    class Program
    {
        static void Main(string[] args)
		{
			var path = @"\\diskstation\movies";

			var arranger = new MovieArranger(path);

			arranger.Execute();

			Console.WriteLine("Press any key");

			Console.ReadKey();
		}

		
	}

	public class MovieArranger
	{
		public bool Simulation { get; set; }
		public string Path { get; private set; }

		public MovieArranger(string path)
		{
			Path = path;
		}

		public void Execute()
		{
			MoveFilesIntoDirectories();
			MoveDirectoriesIntoParentLetterDirectory();
		}

		void MoveDirectoriesIntoParentLetterDirectory()
		{
			var parentDirectory = new DirectoryInfo(Path);

			var directoriesByLetter = parentDirectory.EnumerateDirectories()
				.Where(x=>!x.Name.StartsWith("."))
				.ToLookup(x => char.ToUpperInvariant(x.Name[0]).ToString(), x => x);

			foreach (var letter in directoriesByLetter)
			{
				var newDirectory = parentDirectory.CreateSubdirectory(letter.Key);
				foreach (var directory in letter)
				{
					MoveDirectory(directory, newDirectory);
				}
			}
		}

		private void MoveDirectory(DirectoryInfo directory, DirectoryInfo target)
		{
			if (directory.FullName == target.FullName) return;

 			Console.WriteLine($"Move: {directory.FullName} => {target.FullName}");

			if (Simulation)
			{
				Console.WriteLine("Skipping - simulation");
				return;
			}

			directory.MoveTo(System.IO.Path.Combine(target.FullName, directory.Name));
		}

		void MoveFilesIntoDirectories()
		{
			foreach (var file in Directory.GetFiles(Path).Select(x => new FileInfo(x)))
			{
				if (file.Name.StartsWith("."))
				{
					Console.WriteLine($"Skipping file starting with period: {file.FullName}");
					continue;
				}
				var directoryName = file.Name.Replace(file.Extension, "").Replace(".", " ");
				var newDirectory = Directory.CreateDirectory(System.IO.Path.Combine(Path, directoryName));
				MoveFileToDirectory(file, newDirectory);
			}
		}

		void MoveFileToDirectory(FileInfo file, DirectoryInfo target)
		{
			var targetPath = System.IO.Path.Combine(target.FullName, file.Name);
			Console.WriteLine($"Move: {file.FullName} => {targetPath}");

			if (Simulation)
			{
				Console.WriteLine("Skipping - simulation");
				return;
			}

			file.MoveTo(targetPath);
		}
	}
}