Project Tool

using System;
using System.IO;
using System.Text;
using System.Collections.Generic;

namespace QiHe.CodeLib
{
    /// <summary>
    /// FileHelper
    /// </summary>
    public class FileHelper
    {
        public static string StripExtension(string name)
        {
            int indexofdot = name.LastIndexOf('.');
            if (indexofdot == -1)
            {
                return name;
            }
            else
            {
                return name.Substring(0, indexofdot);
            }
        }

        public static string GetDirectory(string file)
        {
            FileInfo fi = new FileInfo(file);
            return fi.Directory.FullName;
        }

        public static void CreateDirectoryIfNotExist(string dir)
        {
            if (!Directory.Exists(dir))
            {
                Directory.CreateDirectory(dir);
            }
        }

        public static string CompareFolder(string dir1, string dir2)
        {
            StringBuilder equal = new StringBuilder();
            StringBuilder notequal = new StringBuilder();
            DirectoryInfo di1 = new DirectoryInfo(dir1);
            DirectoryInfo di2 = new DirectoryInfo(dir2);
            foreach (FileInfo fi1 in di1.GetFiles())
            {
                foreach (FileInfo fi2 in di2.GetFiles())
                {
                    if (fi1.Name == fi2.Name)
                    {
                        if (CompareFile(fi1.FullName, fi2.FullName))
                        {
                            equal.AppendLine(fi1.Name);
                        }
                        else
                        {
                            notequal.AppendLine(fi1.Name);
                        }
                    }
                }
            }
            StringBuilder text = new StringBuilder();
            text.AppendLine("Equal Files:");
            text.AppendLine(equal.ToString());
            text.AppendLine("Not Equal Files:");
            text.AppendLine(notequal.ToString());
            return text.ToString();
        }

        public static bool CompareFile(string infile, string outfile)
        {
            using (FileStream input = new FileStream(infile, FileMode.Open, FileAccess.Read))
            {
                using (FileStream output = new FileStream(outfile, FileMode.Open, FileAccess.Read))
                {
                    if (input.Length != output.Length) return false;
                    while (true)
                    {
                        int inbyte = input.ReadByte();
                        int outbyte = output.ReadByte();
                        if (inbyte != outbyte) return false;
                        if (inbyte == -1) break;
                    }
                    return true;
                }
            }
        }

        /// <summary>
        /// Get relative file paths of all files in folder.
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static List<string> GetFileList(string folder)
        {
            List<string> files = new List<string>();
            DirectoryInfo dir = new DirectoryInfo(folder);
            GetFileList(dir, null, files);
            return files;
        }

        private static void GetFileList(DirectoryInfo dir, string subpath, List<string> files)
        {
            foreach (FileInfo file in dir.GetFiles())
            {
                files.Add(subpath + file.Name);
            }
            foreach (DirectoryInfo subdir in dir.GetDirectories())
            {
                GetFileList(subdir, subpath + subdir.Name + "\\", files);
            }
        }

        public static List<string> GetFileList(string folder, char pathsep, bool includeDirectory)
        {
            List<string> files = new List<string>();
            DirectoryInfo dir = new DirectoryInfo(folder);
            GetFileList(dir, null, files, pathsep, includeDirectory);
            return files;
        }

        private static void GetFileList(DirectoryInfo dir, string subpath, List<string> files, char pathsep, bool includeDirectory)
        {
            if (includeDirectory && subpath != null)
            {
                files.Add(subpath);
            }
            foreach (FileInfo file in dir.GetFiles())
            {
                files.Add(subpath + file.Name);
            }
            foreach (DirectoryInfo subdir in dir.GetDirectories())
            {
                GetFileList(subdir, subpath + subdir.Name + pathsep, files, pathsep, includeDirectory);
            }
        }
    }
}