3 ms·comm -13 A Bby drran 6y agocomm -13 A B1vuio0pswjnm7 6y agoI totally screwed up the example. I wanted list B to have some items not in A, e.g., echo AAA_not_in_A_xxx >> B fgrep -vf A B Result should be AAA_not_in_B_xxx