Path segments of to relative to from ([] when they are the same directory), or undefined when to isn't inside from: above it, or on another drive. A folder whose name starts with .. (e.g. ..foo) is inside.
to
from
[]
..
..foo
containing directory
directory to locate
Path segments of
torelative tofrom([]when they are the same directory), or undefined whentoisn't insidefrom: above it, or on another drive. A folder whose name starts with..(e.g...foo) is inside.