The MATLAB function dir returns the contents of a specified directory. It returns the result in the form of a structure array with four fields, for example,
s = dir
s =
123x1 struct array with fields:
name
date
bytes
isdir
datenum
size(s)
ans =
123 1
fieldnames(s)
ans =
'name'
'date'
'bytes'
'isdir'
'datenum'
Here in the above, the directory contains 123 objects. Write a MATLAB function that takes the path to a directory and outputs the total size of all files in the directory in units of bytes.
