Fully Qualified Path in .NET

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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, Developer Technologies MVP (Microsoft Most Valuable Professional) is the founder and contributor for DevCurry, DotNetCurry and SQLServerCurry. He is the Chief Editor of a Developer Magazine called DNC Magazine. He has also authored two Books - 51 Recipes using jQuery with ASP.NET Controls. and The Absolutely Awesome jQuery CookBook.

Follow him on twitter @suprotimagarwal.