Fully Qualified Path in .NET

I was writing a program where I had to resolve its fully qualified path using Environment Variables. Here’s how it is done using the ‘PATH’ Environment variable

static void Main(string[] args)
{
    // List Environment Variables
    foreach (DictionaryEntry de in Environment.GetEnvironmentVariables())
        Console.WriteLine("{0}={1}", de.Key, de.Value);

    Console.WriteLine("--------------");
    Console.WriteLine("Fully Qualified Path");
    string ext = "notepad.exe";
    string fullPath = Environment.GetEnvironmentVariable("PATH")
        .Split(';')
        .FirstOrDefault(p => File.Exists(Path.Combine(p, ext)));
    Console.WriteLine(fullPath);
    Console.ReadLine();
}

OUTPUT (partial)

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

Follow him on twitter @suprotimagarwal