如何使用C#.net获取FTP或目录中的最新文件

问题描述

亲爱的所有人

我有一个要求，就是我必须从FTP中存在的目录中下载最新文件.
是否可以从列表中仅获取最新文件?

等待回复，


问候
Ramesh

Dear All

I have a requirement that is i have to download the latest files from the directory which is present in FTP.
Is it possible to get only the latest file from the list?

waiting for reply,


Regards
Ramesh

推荐答案

// Your FTP site
string ftpPath = "ftp://some/localtion/to/ftp/directory/";

// Some expression to match against the files...do they have a consistent name? This example would find XML files that had 'some_string' in the file name
Regex matchExpression = new Regex("^some_string.+\.xml

源代码

Source Code

namespace FTP.Utilities
{
    using System;
    using System.Collections.Generic;
    using System.Text;
    using System.Net;
    using System.IO;
    using System.Text.RegularExpressions;
    public enum ListStyle
    {
        Unix,
        Windows
    }
    public class FTPLineResult
    {
        public ListStyle Style { get; set; }
        public string Name { get; set; }
        public DateTime DateTime { get; set; }
        public bool IsDirectory { get; set; }
        public long Size { get; set; }
    }
    /// <summary>
    /// from http://blogs.msdn.com/adarshk/archive/2004/09/15/230177.aspx
    /// </summary>
    public class FTPLineParser
    {
        private Regex winStyle = new Regex(@"^(?<month>\d{1,2})-(?<day>\d{1,2})-(?<year>\d{1,2})\s+(?<hour>\d{1,2}):(?<minutes>\d{1,2})(?<ampm>am|pm)\s+(?<dir>[<]dir[>])?\s+(?<size>\d+)?\s+(?<name>.*)

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