.
- count: <cite>np.size(output_array) = nrows x ncols</cite>, if it is known before execution, performance is increased. This parameter is in output of <cite>slice_data</cite>.
- delimiter:  Default is <cite>s+</cite>. Could be any kind of delimiter valid in numpy and in the file.
- cols: List of indices of columns to pick. Useful when reading a file like PROCAR which e.g. has text and numbers inline. This parameter is in output of <cite>slice_data</cite>.
- include: Default is None and includes everything