singrdk/base/Applications/echo/echo.sg

////////////////////////////////////////////////////////////////////////////////
//
//  Microsoft Research Singularity
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//  Note:   Singularity pipe test program.
//
using System;
using Microsoft.Singularity;
using Microsoft.Singularity.Channels;
using Microsoft.SingSharp.Reflection;
using Microsoft.Singularity.Applications;
using Microsoft.Singularity.Io;
using Microsoft.Singularity.Configuration;
[assembly: Transform(typeof(ApplicationResourceTransform))]

namespace Microsoft.Singularity.Applications
{
    [ConsoleCategory(HelpMessage="Print arguments to stdout", DefaultAction=true)]
    internal class Parameters 
    {
        [OutputEndpoint("data")]
        public readonly TRef<UnicodePipeContract.Imp:READY> Stdout;
        
        [StringArrayParameter("Args", HelpMessage="The arguments to echo.")]
        public string[] Args;

        reflective internal Parameters();

        internal int AppMain() {
            Console.WriteLine("running");
            string line = Args != null ? String.Join(" ", Args) : "";
            Console.WriteLine(line);
            return 0;
        }
    }
}