Generating menu items at runtime in Unity

MenuItemGenerator.cs

using UnityEngine;
using UnityEditor;
using System.Text;

namespace TheBitCave {
	public class MenuItemGenerator {
	
		/// <summary>
		/// Generates a list of menuitems from an array
		/// </summary>
		[MenuItem("Assets/TheBitCave/Generate Menu Items")]
		static void GenerateMenuItems() {
	
			// the generated filepath
			string scriptFile = Application.dataPath + "/GeneratedMenuItems.cs";
	
			// an example string array used to generate the items
			string[] ar = new string[] {"item 1", "item 2", "item 3", "item 4"};
	
			// The class string
			StringBuilder sb = new StringBuilder();
			sb.AppendLine("// This class is Auto-Generated");
			sb.AppendLine("using UnityEngine;");
			sb.AppendLine("using UnityEditor;");
			sb.AppendLine("");
			sb.AppendLine("  public static class GeneratedMenuItems {");
			sb.AppendLine("");
	
			// loops though the array and generates the menu items
			for(int i = 0; i < ar.Length; i++) {
				sb.AppendLine("    [MenuItem(\"Assets/The Bit Cave/Generated/" + ar[i] + "\")]");
				sb.AppendLine("    private static void MenuItem" + i.ToString() + "() {");
				sb.AppendLine("        Debug.Log(\"Selected item: " + ar[i] + "\");");
				sb.AppendLine("    }");
				sb.AppendLine("");
			}
			
			sb.AppendLine("");
			sb.AppendLine("}");
	
			// writes the class and imports it so it is visible in the Project window
			System.IO.File.Delete(scriptFile);
			System.IO.File.WriteAllText(scriptFile, sb.ToString(), System.Text.Encoding.UTF8);
			AssetDatabase.ImportAsset("Assets/GeneratedMenuItems.cs");
		}
	}
}