C# Command Line Arguments

Arguments that are passed by command line known as command line arguments. We can send arguments to the Main method while executing the code. The string args variable contains all the values passed from the command line.

In the following example, we are passing command line arguments during execution of program.

C# Command Line Arguments Example

snippet
using System;
namespace CSharpProgram
{
    class Program
    {
        // Main function, execution entry point of the program
        static void Main(string[] args) // string type parameters
        {
            // Command line arguments
            Console.WriteLine("Argument length: "+args.Length);
            Console.WriteLine("Supplied Arguments are:");
            foreach (Object obj in args)
            {
                Console.WriteLine(obj);     
            }
        }
    }
}

Compile and execute this program by using following commands.

Compile: csc Program.cs

Execute: Program.exe Hi there, how are you?

After executing the code, it produces the following output to the console.

Output:

Output
Argument length: 5 Supplied Arguments are: Hi there, how are you?
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