uniq: add command line option -z for zero terminated input and output
uniq: add command line option -z for zero terminated input and output

jbcrail/coreutils,wimh/coreutils,ebfe/coreutils,kevgeniy/coreutils,uutils/coreutils,keunwoo/coreutils,Heather/coreutils,Arcterus/coreutils,kevgeniy/coreutils,uutils/coreutils,ebfe/coreutils,wimh/coreutils,keunwoo/coreutils,tempbottle/coreutils,tempbottle/coreutils,Arcterus/coreutils,uutils/coreutils,jbcrail/coreutils,Heather/coreutils