i1 : relativizeFilename("a/b/","a/b/c/d")
o1 = c/d
|
i2 : relativizeFilename("a/b/c/d","a/b/")
o2 = ../../
|
i3 : relativizeFilename("a/b/c/d","a/b/e/f")
o3 = ../../e/f
|
Paths of the form foo/x/../bar, are shortened to foo/bar without checking the file system to see whether x is a symbolic link. For the other behavior, see realpath.