[C#] Scan Directories

talk open source
1

I wrote a small Depth First Search program that recursively scans folders given a starting path:


[SIZE=2][/SIZE][SIZE=2][COLOR=#000000]        public List<string> StartSearch(string path)
        {
            DirectoryInfo[] directoryListing = new DirectoryInfo(path).GetDirectories();[/COLOR][/SIZE]
[SIZE=2][COLOR=#000000]            List<string> openList = new List<string>();
            List<string> closedList = new List<string>();
            List<string> folderNames = new List<string>();[/COLOR][/SIZE]
[SIZE=2][COLOR=#000000]            openList.Add(path);[/COLOR][/SIZE]
[SIZE=2][COLOR=#000000]            while (openList.Count != 0)
            {
                string currentPath = openList[0];
                openList.RemoveAt(0);[/COLOR][/SIZE]
[SIZE=2][COLOR=#000000]                try
                {
                    DirectoryInfo[] neighbors = new DirectoryInfo(currentPath).GetDirectories();
                    for (int i = 0; i < neighbors.Length; i++)
                    {
                        DirectoryInfo currentFolder = neighbors*;
                        openList.Add(currentFolder.FullName);
                        folderNames.Add(currentFolder.Name);
                    }
                    closedList.Add(currentPath);
                }
                catch (UnauthorizedAccessException e)
                {
                    //Some folders will not be accessible
                }
            }
            return folderNames;
        }
    }[/COLOR][/SIZE]
[SIZE=2][COLOR=#000000]    class Program
    {
        static void Main(string[] args)
        {
            FolderSearch foo = new FolderSearch();
            List<string> folderNames = foo.StartSearch("C:\\Program Files");[/COLOR][/SIZE]
[SIZE=2][COLOR=#000000]            //foreach (string f in folderNames)
            //{
            //    Console.WriteLine(f);
            //}
        }
    }[/COLOR][/SIZE]

You can modify this easily to access files instead of folders and/or to find a specific folder or file :wink:

Cheers!
Kirupa C:-)
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