1*3e12c5d1SDavid du Colombier$NF!=lastf2 {if(last2!="") print last2 2*3e12c5d1SDavid du Colombier lastf2=lastf1; last2=last1; lastf1=$NF; last1=$0} 3*3e12c5d1SDavid du Colombier$NF==lastf2 {print} 4*3e12c5d1SDavid du ColombierEND {print last2; print last1} 5