C# Recursive find file using Pattern

Question

I have a Visual Studio solution with the following structure:

- root - src - project01 - project02 - config - application.config - database.dacpac

Now, assuming I am executing a code from the path:

C:\DEV\root\project01\bin\release\project01.exe

How can I find the first occurrence of the file "application.config" for example?

I know that I can start with this:

public string GetExecutingDirectory(){ { string codeBase = Assembly.GetExecutingAssembly().CodeBase; UriBuilder uri = new UriBuilder(codeBase); string path = Uri.UnescapeDataString(uri.Path); return Path.GetDirectoryName(path); }

And use it in the following way:

var executingDirectory = GetExecutingDirectory();

But now, how can I traverse the Root Tree back and forward until I find the file I am looking for? I tried this code but it doesn't find anything:

var path = Directory .GetFiles(executingDirectory, "**/application.config", System.IO.SearchOption.AllDirectories);

I need it because I am running Integration Tests from different paths and they need these files which can be in a different location of the solution tree depending on the DEV machine configuration so I need to use the "pattern" because the structure can be different from PC to PC.

NoName · Accepted Answer · 2016-03-03 10:14:53Z

You can do like this:

static string FindConfig() { string appFolder = Path.GetDirectoryName(@"C:\DEV\root\project01\bin\release\project01.exe"); string configPath = null; while (true) { Console.WriteLine(appFolder); string[] files = Directory.GetFiles(appFolder, "*application.config", SearchOption.AllDirectories); foreach (var file in files) { if (file.ToLower().EndsWith(@"\application.config")) { return file; } } appFolder = Path.GetDirectoryName(appFolder); if (appFolder.Length < 4) // "C:\" don't search root drive { break; } } return configPath; }

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