shithub: riscv

ref: 094fc8b15f98807833143e29f1f7d36a1ca4b28c
dir: /sys/lib/man/permind/dup2.awk/

View raw version 
$NF!=lastf2 {if(last2!="") print last2
	 lastf2=lastf1; last2=last1; lastf1=$NF; last1=$0}
$NF==lastf2 {print}
END {print last2; print last1}