ldate.cs

/*	Copyright 2015-2022 Rivoreo

	Permission is hereby granted, free of charge, to any person obtaining
	a copy of this software and associated documentation files (the
	"Software"), to deal in the Software without restriction, including
	without limitation the rights to use, copy, modify, merge, publish,
	distribute, sublicense, and/or sell copies of the Software, and to
	permit persons to whom the Software is furnished to do so, subject to
	the following conditions:

	The above copyright notice and this permission notice shall be
	included in all copies or substantial portions of the Software.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
	FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
	CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

using System;
using System.Threading;

namespace Rivoreo {
	class LDate {
		public static void Main() {
			/* No offical API for signal handling; however when
			 * running under mono(1), the runtime will
			 * automatically restore terminal color attributes
			 * upon SIGINT, which is good. */
			bool color_status = false;
			while(true) {
				if(color_status) {
					// .NET API doesn't support setting bold font for console
					Console.BackgroundColor = ConsoleColor.Gray;
					Console.ForegroundColor = ConsoleColor.DarkGray;
					color_status = false;
				} else {
					Console.ResetColor();
					color_status = true;
				}
				DateTime dt = DateTime.Now;
				Console.Out.Write(dt.ToString("\r yyyy-MM-dd HH:mm:ss"));
				Console.Out.Flush();
				Thread.Sleep(1000 - dt.Millisecond);
			}
		}
	}
}