Sunday, 25 August 2013

Linq - Find the size of a Directory


In this article we are going to see the usage of EnumerateFiles and EnumerateDirectories in Linq and how it is working.

EnumerateFiles() : Will enumerate the files present in the folder 
EnumerateDirectories() : Will enumerate the Directory present in the folder.

/* Directory Size*/
   long _size = Size(@"D:\flot", true);
   Console.WriteLine("Directory Size in MB : {0:N2} MB", ((double)_size) / (1024 * 1024));
          

   static long Size(string path, bool includesubdir)
   {
            DirectoryInfo info = new DirectoryInfo(path);

            long _size = info.EnumerateFiles().Sum(x => x.Length);

            if(includesubdir)
            _size+=info.EnumerateDirectories().Sum(x => Size(x.FullName,includesubdir));
           
            return _size;
    }



Output :

Directory Size in MB : 2.14 MB

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