- using System;
- namespace RobvanderWoude
- {
- class HideInput
- {
- static int Main( string[] args )
- {
- try
- {
- bool clearscreen = false;
- if ( args.Length > 1 )
- {
- return WriteError( "Too many command line arguments" );
- }
- if ( args.Length == 1 )
- {
- switch ( args[0].ToUpper( ) )
- {
- case "/C":
- clearscreen = true;
- break;
- case "/?":
- return WriteError( );
- default:
- return WriteError( "Invalid command line argument \\"" + args[0] + "\\"" );
- }
- }
- // Set console foreground color to background color to hide what's being typed
- ConsoleColor color = Console.ForegroundColor;
- Console.ForegroundColor = Console.BackgroundColor;
- // Read 1 line of input from the console
- string input = Console.ReadLine( );
- // Restore the original console foreground color
- Console.ForegroundColor = color;
- // Clear the screen id specified on the command line
- if ( clearscreen )
- {
- Console.Clear( );
- }
- // Display the input - which should be redirected for this program to be of any use
- Console.WriteLine( input );
- // Returncode 0 for success, or 1 if the input was empty or whitespace only
- if ( string.IsNullOrWhiteSpace( input ) )
- {
- return 1;
- }
- else
- {
- return 0;
- }
- }
- catch ( Exception e )
- {
- return WriteError( e.Message );
- }
- }
- public static int WriteError( string errorMessage = "" )
- {
- /*
- HideInput, Version 1.00
- Batch utility to read 1 line of input while hiding what's being typed, by
- temporarily setting the console foreground color equal to its background color
- Usage: FOR /F "tokens=*" %%A IN ('HIDEINPUT') DO SET password=%%A
- or: FOR /F "tokens=*" %%A IN ('HIDEINPUT /C') DO SET password=%%A
- Where: /C clears the screen to remove what's typed from the screen buffer
- */
- Console.ResetColor( );
- if ( string.IsNullOrEmpty( errorMessage ) == false )
- {
- Console.Error.WriteLine( );
- Console.ForegroundColor = ConsoleColor.Red;
- Console.Error.Write( "ERROR: " );
- Console.ForegroundColor = ConsoleColor.White;
- Console.Error.WriteLine( errorMessage );
- Console.ResetColor( );
- }
- Console.Error.WriteLine( );
- Console.Error.WriteLine( "HideInput, Version 1.10" );
- Console.Error.WriteLine( "Batch utility to read 1 line of input while hiding what's being typed, by" );
- Console.Error.WriteLine( "temporarily setting the console foreground color equal to its background color" );
- Console.Error.WriteLine( );
- Console.Error.Write( "Usage: FOR /F \\"tokens=*\\" %%A IN ('" );
- Console.ForegroundColor = ConsoleColor.White;
- Console.Error.Write( "HIDEINPUT" );
- Console.ResetColor( );
- Console.Error.WriteLine( "') DO SET password=%%A" );
- Console.Error.Write( " or: FOR /F \\"tokens=*\\" %%A IN ('" );
- Console.ForegroundColor = ConsoleColor.White;
- Console.Error.Write( "HIDEINPUT /C" );
- Console.ResetColor( );
- Console.Error.WriteLine( "') DO SET password=%%A" );
- Console.Error.WriteLine( );
- Console.Error.Write( "Where: " );
- Console.ForegroundColor = ConsoleColor.White;
- Console.Error.Write( "/C" );
- Console.ResetColor( );
- Console.Error.WriteLine( " clears the screen to remove what's typed from the screen buffer" );
- Console.Error.WriteLine( );
- Console.Error.WriteLine( "Written by Rob van der Woude" );
- return 1;
- }
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/140820135166.html
来源: http://www.codesnippet.cn/detail/140820135166.html