返回指定驱动器是否是Fat分区格式代码,CSharp代码库,德仔网

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【CSharp】返回指定驱动器是否是Fat分区格式
作者:dezai / 发布于2014/9/11/ 870

	using System;
	using System.IO;

	namespace RobvanderWoude
	{
	 class IsFAT
	 {
	 public static int Main( string[] args )
	 {
	 try
	 {
	 if ( args.Length == 0 )
	 {
	 return WriteError( string.Empty );
	 }
	 if ( args.Length > 1 )
	 {
	 return WriteError( "Invalid number of arguments." );
	 }

	 string drive = args[0].ToUpper( );

	 DriveInfo[] allDrives = DriveInfo.GetDrives( );

	 foreach ( DriveInfo drv in allDrives )
	 {
	 if ( drive == drv.Name.Substring( 0, 2 ) )
	 {
	 if ( drv.IsReady )
	 {
	 Console.WriteLine( drv.DriveFormat.ToUpper( ) );
	 if ( drv.DriveFormat == "FAT" || drv.DriveFormat == "FAT32" )
	 {
	 return 0;
	 }
	 else
	 {
	 return 2;
	 }
	 }
	 else
	 {
	 Console.WriteLine( drv.DriveType.ToString( ).ToUpper( ) );
	 return 1;
	 }
	 }
	 }
	 return WriteError( "Invalid drive specification." );
	 }
	 catch ( Exception e )
	 {
	 // Display help text with error message
	 return WriteError( e );
	 }
	 }
	 // Code to display help and optional error message, by Bas van der Woude
	 public static int WriteError( Exception e )
	 {
	 return WriteError( e == null ? null : e.Message );
	 }

	 public static int WriteError( string errorMessage )
	 {
	 string fullpath = Environment.GetCommandLineArgs( ).GetValue( 0 ).ToString( );
	 string[] program = fullpath.Split( '\\' );
	 string exeName = program[program.GetUpperBound( 0 )];
	 exeName = exeName.Substring( 0, exeName.IndexOf( '.' ) );

	 /*
	 IsFAT, Version 1.00
	 Return 'errorlevel' 0 if the specified drive is FAT or FAT32 formated

	 Usage: ISFAT drive:

	 Note: Returns 'errorlevel' 0 if FAT or FAT32, 2 if not, 1 if not ready or invalid

	 Written by Rob van der Woude
	 http://www.robvanderwoude.com
	 */
	 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( "IsFAT, Version 1.00" );
	 Console.Error.WriteLine( "Return 'errorlevel' 0 if the specified drive is FAT or FAT32 formated" );
	 Console.Error.WriteLine( );
	 Console.Error.Write( "Usage: " );
	 Console.ForegroundColor = ConsoleColor.White;
	 Console.Error.WriteLine( "{0} drive:", exeName.ToUpper( ) );
	 Console.ResetColor( );
	 Console.Error.WriteLine( );
	 Console.Error.WriteLine( "Note: Returns 0 if FAT or FAT32, 2 if not, 1 if not ready or invalid." );
	 Console.Error.WriteLine( );
	 Console.Error.WriteLine( "Written by Rob van der Woude" );
	 Console.Error.WriteLine( "http://www.robvanderwoude.com" );
	 return 1;
	 }
	 }
	}
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