Copy folder with pattern - CSharp File IO

CSharp examples for File IO:Directory

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Description

Copy folder with pattern

Demo Code

//      Copyright (c) 2014 OSky. All rights reserved.
using System.Threading.Tasks;
using System.Text;
using System.Linq;
using System.IO;//ww  w . jav a 2 s .c  om
using System.Collections.Generic;
using System;

public class Main{
        public static void Copy(string sourcePath, string targetPath, string[] searchPatterns = null)
        {
            sourcePath.CheckNotNullOrEmpty("sourcePath");
            targetPath.CheckNotNullOrEmpty("targetPath");

            if (!Directory.Exists(sourcePath))
            {
                throw new DirectoryNotFoundException("??????????????????");
            }
            if (!Directory.Exists(targetPath))
            {
                Directory.CreateDirectory(targetPath);
            }
            string[] dirs = Directory.GetDirectories(sourcePath);
            if (dirs.Length > 0)
            {
                foreach (string dir in dirs)
                {
                    Copy(dir, targetPath + targetPath + dir.Substring(dir.LastIndexOf("\\", StringComparison.Ordinal)));
                }
            }
            if (searchPatterns != null && searchPatterns.Length > 0)
            {
                foreach (string searchPattern in searchPatterns)
                {
                    string[] files = Directory.GetFiles(sourcePath, searchPattern);
                    if (files.Length <= 0)
                    {
                        continue;
                    }
                    foreach (string file in files)
                    {
                        File.Copy(file, targetPath + file.Substring(file.LastIndexOf("\\", StringComparison.Ordinal)));
                    }
                }
            }
            else
            {
                string[] files = Directory.GetFiles(sourcePath);
                if (files.Length <= 0)
                {
                    return;
                }
                foreach (string file in files)
                {
                    File.Copy(file, targetPath + file.Substring(file.LastIndexOf("\\", StringComparison.Ordinal)));
                }
            }
        }
}

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