CountDown1 | C# Online Compiler

CountDown1 by Anonymous

using System;
using System.Collections.Generic;
using System.Threading;


namespace kingaustin247
{
	class CountDown
	{
		static string progver = "1.02.1";


		static int Main( string[] args )
		{
			bool returnremaining = false;
			int seconds = 0;


			#region Parse Command Line

			if ( args.Length == 0 || args[0] == "/?" )
			{
				return ShowHelp( );
			}

			if ( args.Length > 2 )
			{
				return ShowHelp( "Too many command line arguments" );
			}

			try
			{
				seconds = Convert.ToInt32( args[0] );
			}
			catch ( Exception )
			{
				return ShowHelp( "Invalid number of seconds ({0})", args[0] );
			}

			if ( seconds < 1 || seconds > 86400 )
			{
				return ShowHelp( "Specified number of seconds ({0}) outside allowed range", args[0] );
			}

			if ( args.Length == 2 )
			{
				if ( args[1].ToUpper( ) == "/R" )
				{
					returnremaining = true;
				}
				else if ( args[1] == "/?" )
				{
					return ShowHelp( );
				}
				else
				{
					return ShowHelp( "Invalid command line argument \"{0}\"", args[1] );
				}
			}

			#endregion Parse Command Line


			// Temporarily change console properties
			Console.CursorVisible = false;
			Console.TreatControlCAsInput = true;

			// Determine the number of digits
			int length = seconds.ToString( ).Length;

			// Clear space on screen for countdown counter value
			Console.Write( new String( ' ', length ) );

			// Start countdown
			int countdown = seconds;
			while ( !Console.KeyAvailable && countdown > 0 )
			{
				// Wipe previous countdown counter value from screen
				Console.Write( new String( '\b', length ) );
				Console.Write( new String( ' ', length ) );
				Console.Write( new String( '\b', length ) );
				Console.Write( "{0," + length + "}", countdown );
				countdown -= 1; // decrement countdown counter
				Thread.Sleep( 1000 ); // wait 1 second
			}
			// Wipe last countdown counter value from screen
			Console.Write( new String( '\b', length ) );
			Console.Write( new String( ' ', length ) );
			Console.Write( new String( '\b', length ) );

			// Restore console properties
			Console.CursorVisible = true;
			Console.TreatControlCAsInput = false;

			// If a key is pressed to interrupt countdown, remove it from keyboard buffer
			if ( countdown > 0 && Console.KeyAvailable )
			{
				Console.ReadKey( true );
			}

			// Return code depends on command line switch and on countdown completion
			if ( returnremaining )
			{
				return countdown; // remaining number of seconds (requires /R)
			}
			else if ( countdown == 0 )
			{
				return 0; // countdown completed
			}
			else
			{
				return 2; // countdown interrupted (not with /R)
			}
		}


		static int ShowHelp( params string[] errmsg )
		{
			#region Help Text

			/*
			CountDown,  Version 1.02
			Count down for the specified number of seconds or until a key is pressed
 
			Usage:  COUNTDOWN  seconds  [ /R ]
 
			Where:  seconds    is in the range of 1 .. 86400 (1 second .. 24 hours)
			        /R         return code equals the number of Remaining seconds
			                   (default: return code 0 = OK, 1 = errors, 2 = key pressed)
 
			Written by kingaustin247
			http://www.kingcraft.epizy.com
			*/

			#endregion Help Text


			#region Error Message

			if ( errmsg.Length > 0 )
			{
				List<string> errargs = new List<string>( errmsg );
				errargs.RemoveAt( 0 );
				Console.Error.WriteLine( );
				Console.ForegroundColor = ConsoleColor.Red;
				Console.Error.Write( "ERROR:\t" );
				Console.ForegroundColor = ConsoleColor.White;
				Console.Error.WriteLine( errmsg[0], errargs.ToArray( ) );
				Console.ResetColor( );
			}

			#endregion Error Message


			#region Display Help Text

			Console.Error.WriteLine( );

			Console.Error.WriteLine( "CountDown,  Version {0}", progver );

			Console.Error.WriteLine( "Count down for the specified number of seconds or until a key is pressed" );

			Console.Error.WriteLine( );

			Console.Error.Write( "Usage:  " );
			Console.ForegroundColor = ConsoleColor.White;
			Console.Error.WriteLine( "COUNTDOWN  seconds  [ /R ]" );
			Console.ResetColor( );

			Console.Error.WriteLine( );

			Console.Error.Write( "Where:  " );
			Console.ForegroundColor = ConsoleColor.White;
			Console.Error.Write( "seconds" );
			Console.ResetColor( );
			Console.Error.WriteLine( "    is in the range of 1 .. 86400 (1 second .. 24 hours)" );

			Console.ForegroundColor = ConsoleColor.White;
			Console.Error.Write( "        /R" );
			Console.ResetColor( );
			Console.Error.Write( "         return code equals the number of " );
			Console.ForegroundColor = ConsoleColor.White;
			Console.Error.Write( "R" );
			Console.ResetColor( );
			Console.Error.WriteLine( "emaining seconds" );

			Console.Error.WriteLine( "                   (default: return code 0 = OK, 1 = errors, 2 = key pressed)" );

			Console.Error.WriteLine( );

			Console.Error.WriteLine( "Written by kingaustin247" );

			Console.Error.WriteLine( "http://www.kingcraft.epizy.com" );

			#endregion Display Help Text

			return 1;
		}
	}
}

​x
 
using System;
using System.Collections.Generic;
using System.Threading;
​
​
namespace kingaustin247
{
    class CountDown
    {
        static string progver = "1.02.1";
​
​
        static int Main( string[] args )
        {
            bool returnremaining = false;
            int seconds = 0;
​
​
            #region Parse Command Line
​
            if ( args.Length == 0 || args[0] == "/?" )
            {
                return ShowHelp( );
            }
​
            if ( args.Length > 2 )
            {
                return ShowHelp( "Too many command line arguments" );
            }
​
            try
            {
                seconds = Convert.ToInt32( args[0] );
            }
            catch ( Exception )
            {
                return ShowHelp( "Invalid number of seconds ({0})", args[0] );
            }
​
            if ( seconds < 1 || seconds > 86400 )
            {
                return ShowHelp( "Specified number of seconds ({0}) outside allowed range", args[0] );
            }
​
            if ( args.Length == 2 )
            {
                if ( args[1].ToUpper( ) == "/R" )
                {
                    returnremaining = true;
                }
                else if ( args[1] == "/?" )
                {
                    return ShowHelp( );
                }
                else
                {
                    return ShowHelp( "Invalid command line argument \"{0}\"", args[1] );
                }
            }
​
            #endregion Parse Command Line
​
​
            // Temporarily change console properties
            Console.CursorVisible = false;
            Console.TreatControlCAsInput = true;
​
            // Determine the number of digits
            int length = seconds.ToString( ).Length;
​
            // Clear space on screen for countdown counter value
            Console.Write( new String( ' ', length ) );
​
            // Start countdown
            int countdown = seconds;
            while ( !Console.KeyAvailable && countdown > 0 )
            {
                // Wipe previous countdown counter value from screen
                Console.Write( new String( '\b', length ) );
                Console.Write( new String( ' ', length ) );
                Console.Write( new String( '\b', length ) );
                Console.Write( "{0," + length + "}", countdown );
                countdown -= 1; // decrement countdown counter
                Thread.Sleep( 1000 ); // wait 1 second
            }
            // Wipe last countdown counter value from screen
            Console.Write( new String( '\b', length ) );
            Console.Write( new String( ' ', length ) );
            Console.Write( new String( '\b', length ) );
​
            // Restore console properties
            Console.CursorVisible = true;
            Console.TreatControlCAsInput = false;
​
            // If a key is pressed to interrupt countdown, remove it from keyboard buffer
            if ( countdown > 0 && Console.KeyAvailable )
            {
                Console.ReadKey( true );
            }
​
            // Return code depends on command line switch and on countdown completion
            if ( returnremaining )
            {
                return countdown; // remaining number of seconds (requires /R)
            }
            else if ( countdown == 0 )
            {
                return 0; // countdown completed
            }
            else
            {
                return 2; // countdown interrupted (not with /R)
            }
        }
​
​
        static int ShowHelp( params string[] errmsg )
        {
            #region Help Text
​
            /*
            CountDown,  Version 1.02
            Count down for the specified number of seconds or until a key is pressed
 
            Usage:  COUNTDOWN  seconds  [ /R ]
 
            Where:  seconds    is in the range of 1 .. 86400 (1 second .. 24 hours)
                    /R         return code equals the number of Remaining seconds
                               (default: return code 0 = OK, 1 = errors, 2 = key pressed)
 
            Written by kingaustin247
            http://www.kingcraft.epizy.com
            */
​
            #endregion Help Text
​
​
            #region Error Message
​
            if ( errmsg.Length > 0 )
            {
                List<string> errargs = new List<string>( errmsg );
                errargs.RemoveAt( 0 );
                Console.Error.WriteLine( );
                Console.ForegroundColor = ConsoleColor.Red;
                Console.Error.Write( "ERROR:\t" );
                Console.ForegroundColor = ConsoleColor.White;
                Console.Error.WriteLine( errmsg[0], errargs.ToArray( ) );
                Console.ResetColor( );
            }
​
            #endregion Error Message
​
​
            #region Display Help Text
​
            Console.Error.WriteLine( );
​
            Console.Error.WriteLine( "CountDown,  Version {0}", progver );
​
            Console.Error.WriteLine( "Count down for the specified number of seconds or until a key is pressed" );
​
            Console.Error.WriteLine( );
​
            Console.Error.Write( "Usage:  " );
            Console.ForegroundColor = ConsoleColor.White;
            Console.Error.WriteLine( "COUNTDOWN  seconds  [ /R ]" );
            Console.ResetColor( );
​
            Console.Error.WriteLine( );
​
            Console.Error.Write( "Where:  " );
            Console.ForegroundColor = ConsoleColor.White;
            Console.Error.Write( "seconds" );
            Console.ResetColor( );
            Console.Error.WriteLine( "    is in the range of 1 .. 86400 (1 second .. 24 hours)" );
​
            Console.ForegroundColor = ConsoleColor.White;
            Console.Error.Write( "        /R" );
            Console.ResetColor( );
            Console.Error.Write( "         return code equals the number of " );
            Console.ForegroundColor = ConsoleColor.White;
            Console.Error.Write( "R" );
            Console.ResetColor( );
            Console.Error.WriteLine( "emaining seconds" );
​
            Console.Error.WriteLine( "                   (default: return code 0 = OK, 1 = errors, 2 = key pressed)" );
​
            Console.Error.WriteLine( );
​
            Console.Error.WriteLine( "Written by kingaustin247" );
​
            Console.Error.WriteLine( "http://www.kingcraft.epizy.com" );
​
            #endregion Display Help Text
​
            return 1;
        }
    }
}
​

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Last Run:	12:57:50 pm
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Memory:	32kb
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