Zip C# Solution

gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Ionic.Zip;
using System.IO;

namespace ProjectZipper
{
	class Program
	{
		public const string Root = @"C:\Path\To\Zip";

		static HashSet<string> DirectoriesToIgnore = new HashSet<string>();
		static HashSet<string> ExtensionsToIgnore = new HashSet<string>();


		static void Main(string[] args)
		{
			DirectoriesToIgnore.Add("obj");
			DirectoriesToIgnore.Add("bin");
			DirectoriesToIgnore.Add("_upgradereport_files");

			ExtensionsToIgnore.Add(".suo");
			ExtensionsToIgnore.Add(".db");
			ExtensionsToIgnore.Add(".dll");
			ExtensionsToIgnore.Add(".user");
			ExtensionsToIgnore.Add(".pdb");
			ExtensionsToIgnore.Add(".txt");
			ExtensionsToIgnore.Add(".sln");
			ExtensionsToIgnore.Add(".xml");
			ExtensionsToIgnore.Add(".xls");
			ExtensionsToIgnore.Add(".xlsx");
			ExtensionsToIgnore.Add(".doc");
			ExtensionsToIgnore.Add(".docx");


			using (ZipFile zip = new ZipFile())
			{
				AddProjectDirectory(zip, "Proj1");
				AddProjectDirectory(zip, "Proj2");
				AddProjectDirectory(zip, "Proj3");

				zip.AddFile(Path.Combine(Root, "RootSolution.sln"), "");

				zip.AddFile(Path.Combine(Root, @"Common\Common.dll"), "Common");
				zip.AddFile(Path.Combine(Root, @"Common\Common.pdb"), "Common");

				string filename = "<NAME>_" + DateTime.Now.ToString("yyyy_MM_dd") + ".zip";

				zip.Save(Path.Combine(Root, filename));
			}
		}

		static void AddProjectDirectory(ZipFile zip, string path)
		{
			foreach (string dir in Directory.GetDirectories(Path.Combine(Root, path)))
			{
				if (DirectoriesToIgnore.Contains(Path.GetFileName(dir).ToLowerInvariant()))
				{
					//	skip this directory
					continue;
				}

				string subPath = Path.Combine(path, Path.GetFileName(dir));
				//Console.WriteLine(subPath);

				AddProjectDirectory(zip, subPath);
			}

			foreach (string file in Directory.GetFiles(Path.Combine(Root, path)))
			{
				if (ExtensionsToIgnore.Contains(Path.GetExtension(file).ToLowerInvariant()))
				{
					//	skip this file
					continue;
				}

				zip.AddFile(file, path);
			}
		}
	}
}