Program.cs

//    This file is part of windows-logical-eop-workshop
//    Copyright (C) James Forshaw 2017
//
//    windows-logical-eop-workshop is free software: you can redistribute
//    it and/or modify it under the terms of the GNU General Public License 
//    as published by the Free Software Foundation, either version 3 of the 
//    License, or (at your option) any later version.
//
//    windows-logical-eop-workshop is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with windows-logical-eop-workshop.  If not, see <http://www.gnu.org/licenses/>.

using System;
using System.ComponentModel;
using System.Runtime.InteropServices;

namespace CopyFile
{
    class Program
    {
        [DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
        static extern bool CopyFile(string srcfile, string destfile, bool fail_if_exists);

        static void Main(string[] args)
        {
            try
            {
                if (args.Length < 2)
                {
                    Console.WriteLine("Usage: CopyFile srcfile destfile");
                }
                else
                {
                    if (CopyFile(args[0], args[1], false))
                    {
                        Console.WriteLine("Copied {0} to {1}", args[0], args[1]);
                    }
                    else
                    {
                        throw new Win32Exception();
                    }
                }
            }
            catch (Win32Exception ex)
            {
                Console.WriteLine("Error: {0}", ex.Message);
            }
        }
    }
}