In article <15726 at tut.cis.ohio-state.edu> lvc at tut.cis.ohio-state.edu (Lawrence V. Cipriani) writes: >The ^ problem"is like the <> redirection operator. Its not documented >but it is in most versions of the Bourne shell. Actually, <> is incorrectly implemented in most of the Bourne shells I've seen. We fixed it in ours.