C# 修改指定文件的最后修改时间的时间戳的代码

旧城等待， 2022-01-18 20:37 473阅读 0赞

把做工程过程比较好的一些内容片段做个备份，下面的资料是关于C\# 修改指定文件的最后修改时间的时间戳的内容。

using System;
    using System.IO;
    using System.Linq;
    
    namespace RobvanderWoude
    {
    	class CloneDate
    	{
    		static int Main( string[] args )
    		{
    			bool debug = false;
    			switch ( args.Length )
    			{
    				case 0:
    					return WriteError( string.Empty );
    				case 2:
    					break;
    				case 3:
    					if ( args[2].Substring( 0, 2 ).ToUpper( ) == "/D" )
    					{
    						debug = true;
    					}
    					else
    					{
    						return WriteError( "Invalid command line argument(s)" );
    					}
    					break;
    				default:
    					return WriteError( "Invalid number of command line arguments" );
    			}
    
    			try
    			{
    				string sourcefile = args[0];
    				if ( string.IsNullOrWhiteSpace( sourcefile ) )
    				{
    					return WriteError( "Invalid source file specification" );
    				}
    				try
    				{
    					sourcefile = Path.GetFullPath( sourcefile ).Trim( '"' );
    				}
    				catch ( ArgumentException )
    				{
    					return WriteError( "No wildcards allowed in source file" );
    				}
    				if ( !File.Exists( sourcefile ) )
    				{
    					return WriteError( "File not found: "" + sourcefile + """ );
    				}
    
    				string targetspec = args[1];
    				if ( string.IsNullOrWhiteSpace( targetspec ) )
    				{
    					return WriteError( "Invalid target file specification" );
    				}
    				string targetdir = string.Empty;
    				try
    				{
    					targetdir = Path.GetDirectoryName( targetspec );
    					if ( string.IsNullOrWhiteSpace( targetdir ) )
    					{
    						targetdir = Path.GetFullPath( "." );
    					}
    				}
    				catch ( ArgumentException )
    				{
    					return WriteError( "Target folder not found: "" + targetspec + """ );
    				}
    				string targetfilespec = string.Empty;
    				if ( targetspec.IndexOf( "\" ) == -1 ) { targetfilespec = targetspec; } else { targetfilespec = targetspec.Substring( targetspec.LastIndexOf( "\" ) + 1 ); } string[] targetfiles = Directory.EnumerateFiles( targetdir, targetfilespec ).ToArray<string>( ); DateTime timestamp = File.GetLastWriteTime( sourcefile ); int count = 0; foreach ( string targetfile in targetfiles ) { if ( targetfile.ToUpper( ) != sourcefile.ToUpper( ) ) { count++; if ( debug ) { Console.WriteLine( "File   : {0}", targetfile ); Console.WriteLine( "Before : {0}", File.GetLastWriteTime( targetfile ) ); } File.SetLastWriteTime( targetfile, timestamp ); if ( debug ) { Console.WriteLine( "After  : {0}", File.GetLastWriteTime( targetfile ) ); Console.WriteLine( ); } } } if ( debug ) { Console.WriteLine( "{0} matching file{1}", count, ( count == 1 ? "" : "s" ) ); } if ( count == 0 ) { return WriteError( "No matching target files: "" + targetspec + """ ); } return 0; } catch ( Exception e ) { return WriteError( e.Message ); } } public static int WriteError( Exception e ) { return WriteError( e == null ? null : e.Message ); } public static int WriteError( string errorMessage ) { CloneDate.exe, Version 0.50 BETA Modify the LastModified date (timestamp) of the target file(s) to match the specified source file's timestamp Usage: CloneDate.exe sourcefile targetfiles [ /Debug ] Where: sourcefile is the file whose timestamp is to be cloned targetfiles are the files whose timestamp are to be modified /Debug displays file name and timestamps before and after modification for each matching file Example: CloneDate.exe C:boot.ini C:test.log will change C:test.log's timestamp to match C:boot.ini's Notes: Target filespec may include sourcefile (sourcefile will be skipped). Always be careful when using wildcards; they may also return matching "short" (8.3) file names (for backwards compatibility with FAT16). Written by Rob van der Woude if ( !string.IsNullOrWhiteSpace( errorMessage ) ) { 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( "CloneDate.exe,  Version 0.50 BETA" ); Console.Error.WriteLine( "Modify the LastModified date (timestamp) of the targetnfile(s) to match the specified source file's timestamp" ); Console.Error.WriteLine( ); Console.Error.Write( "Usage: " ); Console.ForegroundColor = ConsoleColor.White; Console.Error.WriteLine( "CloneDate.exe sourcefile targetfiles" ); Console.ResetColor( ); Console.Error.WriteLine( ); Console.Error.Write( "Where: " ); Console.ForegroundColor = ConsoleColor.White; Console.Error.Write( "sourcefile" ); Console.ResetColor( ); Console.Error.WriteLine( " is the file whose timestamp is to be cloned" ); Console.ForegroundColor = ConsoleColor.White; Console.Error.Write( " targetfiles" ); Console.ResetColor( ); Console.ForegroundColor = ConsoleColor.White; Console.Error.Write( " /D" ); Console.ResetColor( ); Console.Error.WriteLine( "ebug displays file name and timestamps before andn after modification for each matching file" ); Console.Error.WriteLine( ); Console.Error.Write( "Example: " ); Console.ForegroundColor = ConsoleColor.White; Console.Error.WriteLine( "CloneDate.exe C:\boot.ini C:\test.log" ); Console.ResetColor( ); Console.Error.WriteLine( " will change C:\test.log's timestamp to match C:\boot.ini's" ); Console.Error.WriteLine( ); Console.Error.WriteLine( "Notes: Target filespec may include sourcefile (sourcefile will be skipped)." ); Console.Error.WriteLine( " Always be careful when using wildcards; they may also return matchingn "short" (8.3) file names (for backwards compatibility with FAT16)." ); Console.Error.WriteLine( ); Console.Error.WriteLine( "Written by Rob van der Woude" ); return 1; } } } 复制代码

转载于:https://juejin.im/post/5cb033816fb9a0686c018d07