#! /bin/sed -f # uniq.sed -- uniq # $Id: uniq.sed,v 1.2 1998/07/06 20:31:28 cdua Exp $ # Carlos Duarte, 960909 # print all uniq lines on a sorted input: only one copy of a duplicated line # is print # # like `uniq' :b $b N /^\(.*\)\n\1$/{ s/.*\n// bb } $b P D