using System;
using System.Collections.Generic;
using System.Net.FtpClient;
using System.Net;
using System.IO;
namespace MyFTP
{
     class FTPExample
     {
        private FtpClient _client;

        public void MoveFiles()
        {
            using (FtpClient _client = new FtpClient())
            {
                _client.Host = "xx.xx.xx.xxx";
                _client.Credentials = new NetworkCredential()
                {
                    UserName = "xxx",
                    Password = "xxxx",
                };

                foreach (var listing in _client.GetListing())
                {
                    //get a pattern from database or config to filter files for this "file movement" record (how to implement?)
                    if (listing.Type == FtpFileSystemObjectType.File && IsMatch(listing.Name))
                    {
                        try
                        {
                            byte[] currentFile = ReadMatchedFile(listing);
                            if (currentFile.Length > 0)
                            {
                                File.WriteAllBytes(@"c:mytestoutputfile.txt", currentFile);
                            }
                        }
                        catch (Exception e)
                        {
                        }
                    }
                }
            }
        }

        private bool IsMatch(string fileName)
        {
            //not implemented.

            return true;
        }
        private byte[] ReadMatchedFile(FtpListItem file)
        {
            byte[] buffer = new byte[file.Size];

            //read data into buffer (not implemented)

            return buffer;
        }
    }
}