[/] a==a(directory) [/a] l1==l1(directory) [/a] l2->missing(directory) [/a/l2] l3->missing(directory) [/a/l2] l4->missing(directory) [/] b==b(directory) [/b] missing<-l2(directory) [/b/l2] missing<-l1(directory) [/b] l3->missing(directory) [/b] l4->missing(directory) [/b/l4] l1->missing(directory) [/b/l4] l2->missing(directory) Entries are different total: 12, equal: 3, distinct: 0, only left: 7, only right: 2