until_nmap.sh

#!/bin/bash

# Nmap can crash when scanning large ranges
# To use this script, start your scan with whatever 
# nmap options you want making sure you use -oA <filename>
# or -oG <filename> (you need the gnmap file) then cancel
# the scan. replace <filename> below and run this script.
# It will also record when it failed to a file called failed.txt

until nmap --resume <filename>.gnmap
do 
  date >> failed.txt
done

#copyright SoF