Chapter 12, Page 630, qol/logic error

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It is said that Console.OpenStandardInput(); allows piped args to be sent via the usage of <<.
On a windows machine, an error occurs when this is attempted however:

Something more to note is that while the user can technically type as much as they like and it will generate a new line of dumped hex, to exit they must enter Ctrl+C.

I have been using return new MemoryStream( Encoding.UTF8.GetBytes(args[0]) ); in the time being. I have not yet found a way however to pipe to the program without permission denial or error.