Gets the matching files in this collection. - CSharp File IO

CSharp examples for File IO:File Command

  1. HOME
  2. CSharp
  3. File IO
  4. File Command

Description

Gets the matching files in this collection.

Demo Code


using System.IO;/* ww w.  ja v  a2 s.c  o  m*/
using System.Collections.Generic;

public class Main{
        /// <summary>Gets the matching files in this collection.</summary>
        ///
        /// <param name="rootDirPath">      Pathname of the root directory.</param>
        /// <param name="fileSearchPattern">A pattern specifying the file search.</param>
        ///
        /// <returns>An enumerator that allows foreach to be used to process the matching files in this collection.</returns>
        public static IEnumerable<string> GetMatchingFiles(string rootDirPath, string fileSearchPattern)
        {
            var pending = new Queue<string>();
            pending.Enqueue(rootDirPath);
            string[] paths; 

            while (pending.Count > 0)
            {
                rootDirPath = pending.Dequeue();
                paths = Directory.GetFiles(rootDirPath, fileSearchPattern);
                foreach (var filePath in paths) {
                    yield return filePath;
                }
                paths = Directory.GetDirectories(rootDirPath);
                foreach (var dirPath in paths)
                {
                    var dirAttrs = File.GetAttributes(dirPath);
                    var isRecurseSymLink = (dirAttrs & FileAttributes.ReparsePoint) == FileAttributes.ReparsePoint;

                    if (!isRecurseSymLink)
                    {
                        pending.Enqueue(dirPath);
                    }
                }
            }
        }
        /// <summary>Gets the matching files in this collection.</summary>
        ///
        /// <param name="rootDirPath">      Pathname of the root directory.</param>
        /// <param name="fileSearchPattern">A pattern specifying the file search.</param>
        ///
        /// <returns>An enumerator that allows foreach to be used to process the matching files in this collection.</returns>
        public static IEnumerable<string> GetMatchingFiles(this DirectoryInfo rootDirPath, string fileSearchPattern)
        {
            return GetMatchingFiles(rootDirPath.FullName, fileSearchPattern);
        }
}

Related Tutorials