fork(3) download
copy 
  1. using System;
  2. using System.Linq;
  3. using System.Collections.Generic;
  4. using System.IO;
  5.  
  6. public class Test
  7. {
  8.         public static string AddIncrementFileNameSuffix(string path, IList<string> paths, string separator)
  9.         {
  10.             int num = 0;
  11.             string[] tokens = path.Split(new[] { separator }, StringSplitOptions.None);
  12.             string strNum = tokens.Last();
  13.             int.TryParse(strNum, out num);
  14.             string fileName = path;
  15.             string dir = Path.GetDirectoryName(path);
  16.             string ext = Path.GetExtension(path);
  17.  
  18.             var dups = paths.Where(n => n.Equals(fileName, StringComparison.OrdinalIgnoreCase));
  19.             while (dups.Any())
  20.             {
  21.                 fileName = Path.Combine(dir, tokens.First() + separator + ++num + ext);
  22.             }
  23.  
  24.             paths.Add(fileName);
  25.             return fileName;
  26.         }
  27.  
  28. 	public static void Main()
  29. 	{
  30.         var SourceFiles = new List<String>() { @"C:\Temp\test_1", @"C:\Temp\test_2" };
  31.         var lsNameList = new List<String>() { @"C:\Temp\test_1", @"C:\Temp\test_2", @"C:\Temp\test_3" };
  32.  
  33.  
  34.         IEnumerable<String> newPaths = SourceFiles
  35.                 .Select(fn => AddIncrementFileNameSuffix(fn, lsNameList,"_"));
  36.  
  37.         Console.Write(string.Join(Environment.NewLine, newPaths.ToArray()));
  38. 	}
  39. }
Success #stdin #stdout 0.07s 34840KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
C:\Temp\test_4
C:\Temp\test_5
https://ideone.com/Uj0R6m
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!