General examples

	public class program

	{

		public static void Main()

		{

			//The paths to our files


			string bytePath = @"C:UsersmaffeluDocumentsSharpFilesFile1.txt";

			string stringPath = @"C:UsersmaffeluDocumentsSharpFilesFile2.txt";

			

			//A header :)


			Console.WriteLine("Filestream:");

			

			#region filestreamCreate

			using(FileStream filestream = new FileStream(bytePath, FileMode.Create))

			{

				//Create an array of bytes


				byte[] bytesOut = new byte[]{66, 65, 64, 63};

				

				//Write the bytes to file


				filestream.Write(bytesOut, 0, bytesOut.Length);

				

				Console.WriteLine("Bytes written to {0}", filestream.Name);

			}

			#endregion

			

			#region filereadRead

			using(FileStream filestream = new FileStream(bytePath, FileMode.Open, FileAccess.Read))

			{

				//Create an array consistent to the length of the bytes in the file


				byte[] bytesInFile = new byte[filestream.Length];

				int bytesToRead = (int)filestream.Length;

				int bytesRead = 0;

				

				//This reads until there are no bytes left to read


				while (bytesToRead > 0) {

					

					//If the file has reached the end, stop


					int i = filestream.Read(bytesInFile, bytesRead, bytesToRead);

					if (i == 0) {

						break;

					}

					

					bytesRead += i;

					bytesToRead -= i;

				}

				

				//Output the bytes


				Console.Write("The following bytes where found in the file: ");

				foreach(byte b in bytesInFile)

				{

					Console.Write(b + " ");

				}

				

				//Output the bytes in string format


				string bytesToString = System.Text.ASCIIEncoding.ASCII.GetString(bytesInFile);

				Console.WriteLine("

The bytes in string format: {0}", bytesToString);

			}



			#endregion

			

			//A header :)


			Console.WriteLine("");

			Console.WriteLine("StreamReader/StreamWriter:");

			

			#region StreamWriter

			//Write the file


			using(StreamWriter streamwriter = new StreamWriter(stringPath))

			{

				//Write three lines to file


				streamwriter.WriteLine("Hello word?");

				streamwriter.WriteLine("Hello worm?");

				streamwriter.WriteLine("Hello world!");

				

				Console.WriteLine("Strings written to {0}", stringPath);

			}

			#endregion

			

			#region StreamReader

			using(StreamReader streamreader = new StreamReader(stringPath))

			{

				//Create a line to handle the reading


				string lines;

				Console.WriteLine("Reading {0}", stringPath);

				

				//We read each line to our string variable lines


				while ((lines = streamreader.ReadLine()) != null) {

					Console.WriteLine(lines);

				}

			}

			#endregion

			

			//A header :)


			Console.WriteLine("");

			Console.WriteLine("File()");

	

			#region File

			//If file exists, exterminate it!


			if (File.Exists(bytePath)) {

				Console.WriteLine("File found: {0}", bytePath);

				File.Delete(bytePath);

				Console.WriteLine("File deleted!");

			}

			

			//Now, create a real, fine file


			using(FileStream filestream = File.Create(bytePath))

			{

				byte[] b = new byte[]{66, 65, 64, 63};

				filestream.Write(b, 0, b.Length);

				Console.WriteLine("File {0} created!", bytePath);

			}		                        

			

			//Read all the bytes in the file to array


			try {

				//Use the ReadAllBytes to read all the bytes from the file to a byte array


				byte[] bytes = File.ReadAllBytes(bytePath);

				Console.Write("The following bytes where found: ");

				

				//Loop through the byte array


				foreach(byte b in bytes)

				{

					Console.Write("{0} ", b);

				}

				

				string s = System.Text.ASCIIEncoding.ASCII.GetString(bytes);

				Console.WriteLine("

The bytes in string format: {0}", s);

			} catch (FileNotFoundException ex) {

				Console.WriteLine("Error: {0}", ex.ToString());

			}

			

			#endregion

			

			

			//The header


			Console.WriteLine("");

			Console.WriteLine("Directory");

			

			#region Directory

			//List all files in the directory


			string[] fileArray = Directory.GetFiles(@"C:UsersmaffeluDocumentsSharpFiles");

			foreach(string s in fileArray)

			{

				Console.WriteLine(s);

			}

			#endregion

			

			

			//The header :)


			Console.WriteLine("");

			Console.WriteLine("Path");

			

			#region Path

			/*The following are the paths we have:
			 * 
			 *bytePath = @"C:UsersmaffeluDocumentsSharpFilesFile1.txt";
			 *stringPath = @"C:UsersmaffeluDocumentsSharpFilesFile2.txt";
			 *tempPath = @"File";  <--New one, in the root of our project
			 * 
			 */

			string tempPath = @"File";

			File.Create(tempPath);

			

			//Check if the file has an extension


			switch (Path.HasExtension(stringPath)) {

				case true:

			        Console.WriteLine(""{0}" has an extension", Path.GetFileName(stringPath));

					break;

				case false:

					Console.WriteLine(""{0}" has no extension", Path.GetFileName(stringPath));

					break;

			}

			switch (Path.HasExtension(tempPath)) {

				case true:

			        Console.WriteLine(""{0}" has an extension", Path.GetFileName(tempPath));

					break;

				case false:

					Console.WriteLine(""{0}" has no extension", Path.GetFileName(tempPath));

					break;

			}

			

			//Get the full path of our file File :)


			Console.WriteLine("The full path of "{0}" is {1}", tempPath, Path.GetFullPath(tempPath));

			#endregion

			

			

			//The header :)


			Console.WriteLine("");

			Console.WriteLine("Cleaning up...");

			

			#region CleanUp

			//Here we delete the files we created in order to restore peace on the harddrive...


			try {

				File.Delete(bytePath);

				File.Delete(stringPath);

				Console.WriteLine("The following files have been deleted:

{0}

{1}", bytePath, stringPath);

			} catch (FileNotFoundException ex) {

				Console.WriteLine("Error: {0}", ex.ToString());

			}

			#endregion

			

			Console.Write("

Press any key to exit...");

			Console.Read();

		}

	}