using System;

using System.IO;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        string path1 = @"Volumes/data/tmp/trunk/Core Library/Samples/One Shots/Drums/Snare/Snare 505.aif";

        string path2 = @"Applications/Ableton Live 12 Suite.app/Contents/App-Resources/Core Library/Racks/Drum Racks/Drum Machines";

​

        string absolutePath = CombineFromCommonPath(path2, path1);

​

        Console.WriteLine("Parte relativa da applicare: " + absolutePath);

    }

​

    public static string CombineFromCommonPath(string absolutePath, string relativePath)

    {

        string[] relativePathList = relativePath.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);

        string[] absolutePathList = absolutePath.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);

​

        // Find the first common folder

        int endAbsolute = -1;

        int startRelative = -1;

​

        for (int i = 0; i < absolutePathList.Length; i++)

        {

            for (int j = 0; j < relativePathList.Length; j++)

            {

                if (absolutePathList[i].Equals(relativePathList[j], StringComparison.OrdinalIgnoreCase))

                {

                    endAbsolute = i;

                    startRelative = j;

                    break;

                }

            }

            if (endAbsolute != -1) break;

        }

​

        if (endAbsolute == -1)

        {

            return string.Empty; // No common folder found, returning the entire path1

        }

​

        relativePath = string.Join("/", relativePathList[(startRelative + 1)..]);

        absolutePath = Path.Combine(string.Join("/", absolutePathList[0..(endAbsolute)]), relativePath);

​

        return absolutePath;

    }

}

​