SmithClass-VowelCount

SmithClass-VowelCount.cs

// Vowel Count - returns the number of vowels in a document from the command line

string filename = "";
if (args.Length != 1)
{
    Console.WriteLine($"\nUsage:\n\tdotnet run <filename>\n");
    System.Environment.Exit(1);
}
else
{
    filename = args[0];
    if (!File.Exists(filename))
    {
        Console.WriteLine($"No file found named '{filename}'");
        System.Environment.Exit(1);
    }
}

var data = File.ReadAllText(filename);

// count
foreach (YOUR VARIABLE DECLARED HERE in data.ToLower())
{
    // Do something to count vowels

}
Console.WriteLine($"The number of vowels in {filename} is: {count}");