Hi Mark,
Having an `out` might make sense. With present numpy, if you are really
dealing with a file or file-like object, you might consider using
`np.memmap` to access the data more directly. If it is something that looks
more like a buffer, `np.frombuffer` may be useful (that doesn't copy data,
I was wondering what would your thoughts be on adding an output parameter
to np.fromfile?
The advantage would be when interfacing with executables like ffmpeg which
are arguably easier to use by calling them as a subprocess compared to a
shared library in python.
Having the output parameter in
