#!/bin/sed -f
/^dn: /{
s/^\(.*\)$/\n\1\nchangetype: modify\nreplace: olcAccess/
h
d
}
/^olcAccess/{
s/ by /\n  by /gi
H
s/^.*$//
x
s/^\nolcAccess/olcAccess/g
p
d
}
d