File copy using robo copy and process

Question

I am creating a File copy program which will copy large number of files(~100,000) with size ~50 KB using ROBOCOPY command.

For each file, I am creating a new process an

Answer 1

I would just use System.IO. Should be plenty fast enough, and your filename could be a wildcard.

using System.IO;
// snip your code... providing fileName, sourceDir, destinationDir
DirectoryInfo dirInfo = new DirectoryInfo(sourceDir);
FileInfo[] fileInfos = dirInfo.GetFiles(fileName);
foreach (FileInfo file in fileInfos)
{
    File.Copy(file.FullName, Path.Combine(destinationDir, file.Name), true);  // overwrites existing
}