Add basic file I/O functions to TestStand

[RyanWright]

It would be nice if TestStand provided basic file I/O functions (open, close, read, write) to complement the other functions already available.

[dug9000]

It's perhaps not quite as good as if they were built in, but you can use the .NET adapter to directly call into the mscorlib assembly (the main .NET framework assembly) which has an extensive file I/O API (See System.IO.FileStream).

-Doug

[RyanWright]

Good suggestion.  Thanks!  I just figured that since TestStand already offers functions for strings, arrays, etc., it might be nice to also contain functions for file I/O.

[WireWeaver]

https://zone.ni.com/reference/en-XX/help/370052W-01/tsref/infotopics/data_streams_readfromcsv/