# WARN: ensure: $USER ALL=(ALL) NOPASSWD:/bin/netstat
sudo netstat -tlnp \
| awk 'NR > 2 {print $7}' \
- | awk -F/ '{printf "%s%s", sep, $2; sep = " "} END {printf "\n"}' \
+ | awk -F/ '{print $2}' \
+ | sort -u \
+ | xargs \
| column -t \
| indent "${indent_unit}${indent_unit}"
}