#!/bin/bash set -xe TARGET=10.206.160.58 NMAP_OPTIONS="-q -r -e eth0:0 -P0 --open" function my_nmap() { nmap $@ | grep -v "blah" } SOURCE=10.170.0.1; ifconfig eth0:0 $SOURCE/16 # TCP my_nmap -S $SOURCE -sT $NMAP_OPTIONS -p 5500-5520 $TARGET . . . .