#fsdb a b c
a1	b1	c1
# comment at beginning, will come before
a2	b2	c2
# comment second line, will come before
a3	b3	c3
# comment after end, will still come before
a3	b3	c3
# no trailing blank line (should still work); comment will come before
a4	b4	c4
#   | dbfilealter -R D
