vlt.file.relativeFilename
Find a relative file path relative to an absolute path
RELFNAME = RELATIVEFILENAME(ABS_PATH, ABS_FILENAME [, FILE_SEPARATOR])
Return the relative path of an filename ABS_FILENAME relative
to a path (ABS_PATH).
ABS_FILENAME should be a full path file name, and ABS_PATH should
be a full path directory.
If FILE_SEPARATOR isn't specified, it is taken to be FILESEP,
the file separator on the platform currently running Matlab.
Examples:
abs_path = '/Users/myusername/Documents/';
abs_filename = '/Users/myusername/Documents/myfolder/myfile.txt'
relFname = vlt.file.relativeFilename(abs_path, abs_filename)
% relFname = 'myfolder/myfile.txt'
abs_path = '/Users/myusername/Documents/';
abs_filename = '/Users/myusername/myfolder/myfile.txt'
relFname = vlt.file.relativeFilename(abs_path, abs_filename)
% relFname = '../myfolder/myfile.txt'