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

namespace DSOReadFileProperties
{
	class Program
	{
		delegate void VoidFunc();
		static void Main(string[] args)
		{
			if (args.Length != 2)
				Usage();
			var directoryPath = args[0];

			var filePaths = Directory.GetFiles(directoryPath, "*.docx");

			var outputFileName = args[1];
			
			OleDocumentPropertiesClass doc = null;
            
			try
			{
				using (var writer = new StreamWriter(outputFileName))
				{
					foreach (var fileName in filePaths)
					{
						doc = new OleDocumentPropertiesClass();

						if (!File.Exists(fileName))
							throw new InvalidOperationException("File does not exist");

						doc.Open(fileName, true, dsoFileOpenOptions.dsoOptionDontAutoCreate);
						
						var sb = new StringBuilder(100);
						var propertyInfos = typeof(SummaryProperties).GetProperties();
						var beginOfLine = new []{true};

						VoidFunc tabulate = delegate { if (beginOfLine[0]) beginOfLine[0] = false; else sb.Append('\t'); };

						sb.Append("fileName");
						tabulate();
						foreach (var propertyInfo in propertyInfos)
						{
							tabulate();
							sb.Append(propertyInfo.Name);
						}

						sb.Append(Environment.NewLine);

						beginOfLine[0] = true;

						sb.Append(fileName);
						foreach (var propertyInfo in propertyInfos)
						{
							var v = propertyInfo.GetValue(doc.SummaryProperties, null);
							tabulate();
							sb.Append(v);
						}

						writer.WriteLine(sb.ToString());
						writer.Flush();
					}
				}
			}
			finally
			{
				if (doc!=null)
					doc.Close(false);
			}
		}

		private static void Usage()
		{
			Console.Error.WriteLine("USAGE: DSOReadFileProperties document_directory output_file. Warning: output_file will be overriden.");
		}
	}
}

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

namespace DSOReadFileProperties
{
	class Program
	{
		delegate void VoidFunc();
		static void Main(string[] args)
		{
			if (args.Length != 2)
				Usage();
			var directoryPath = args[0];

			var filePaths = Directory.GetFiles(directoryPath, "*.docx");

			var outputFileName = args[1];
			
			OleDocumentPropertiesClass doc = null;
            
			try
			{
				using (var writer = new StreamWriter(outputFileName))
				{
					var sb = new StringBuilder(100);
					var propertyInfos = typeof(SummaryProperties).GetProperties();
					var beginOfLine = new[] { true };

					sb.Append("fileName");
					VoidFunc tabulate = delegate { if (beginOfLine[0]) beginOfLine[0] = false; else sb.Append('\t'); };
					tabulate();
					foreach (var propertyInfo in propertyInfos)
					{
						tabulate();
						sb.Append(propertyInfo.Name);
					}

					foreach (var fileName in filePaths)
					{
						doc = new OleDocumentPropertiesClass();

						if (!File.Exists(fileName))
							throw new InvalidOperationException("File does not exist");

						doc.Open(fileName, true, dsoFileOpenOptions.dsoOptionDontAutoCreate);
						
						sb.Append(Environment.NewLine);

						beginOfLine[0] = true;

						sb.Append(fileName);
						tabulate();
						foreach (var propertyInfo in propertyInfos)
						{
							var v = propertyInfo.GetValue(doc.SummaryProperties, null);
							tabulate();
							sb.Append(v);
						}

						doc.Close(false);
					}
					writer.WriteLine(sb.ToString());
					writer.Flush();
				}
			}
			finally
			{
				if (doc!=null)
					doc.Close(false);
			}
		}

		private static void Usage()
		{
			Console.Error.WriteLine("USAGE: DSOReadFileProperties document_directory output_file. Warning: output_file will be overriden.");
		}
	}
}