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Start new line with spaces

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c#

I'm stuck at this problem I would really appreciate if someone can help me solve this problem.

  1. I want to add spaces for sub-folder like this format down below.(it must be done with recursion)
  2. I want to add spaces for sub-folder like this format down below.(it must be done with recursion)

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.IO;
    
    namespace G14_211115
    {
         class Program
         {
               static void Main(string[] args)
               {
                    string path = @"C:\Program Files\FinchVPN";
    
                    WriteDirectories(path);
                    Console.ReadKey();
               }
    
               /* Tasks.
               * 1. I want to add spaces for subfolder like this format down below. ( it must be done with recursion) 
               *    Like this
               *    --------------------------------------------------------------
               *    Folder 1
               *      Folder 1.1
               *      Folder 1.2
               *    Folder 2
               *      Folder 2.1
               *        Folder 2.1.1
               *      Folder 2.2
               *    Folder 3
               *    Folder 4
               *   
                * 2. Task 2 I want to retype this code without using recurrence and C# inbuilt functions.
               */
    
               static void WriteDirectories(string path)
               {
                    string[] dirs = Directory.GetDirectories(path);
    
                    for(int i = 0; i < dirs.Length; i++)
                    {
                         Console.WriteLine(dirs[i]); 
                         WriteDirectories(dirs[i]);
                    }
              }
         }
    }
    
like image 300
Nikusha Kalatozi Avatar asked Nov 26 '15 12:11

Nikusha Kalatozi


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1 Answers

As you are calling WriteDirectories recursivly, you can pass a variable to each call indicating the (recursion)level. Using this you can just put some spaces before the output.

Therefore you would need to modify your code like this:

static void WriteDirectories(string path, int level = 0)
{
    string[] dirs = Directory.GetDirectories(path);

    for (int i = 0; i < dirs.Length; i++)
    {
        for (int j = 0; j < level; j++)
        {
            Console.Write(" ");
        }

        Console.WriteLine(dirs[i]);
        WriteDirectories(dirs[i], (level + 1));
    }
}

If you want more than just one space per level you can simply modify the inner loop, j < 2 * level would give you 2 space characters per level, and so on.

Update (Thanks to David)

Instead of the inner loop you can use new string(' ', level) for creating a new string containing the specified character level-times.

So the inner for-loop would be replaced by Console.Write(new string(' ', level));.

like image 175
Markus Safar Avatar answered Oct 03 '22 20:10

Markus Safar