# $1 - input filename  
# $2 - output filename  
# $3 - Randomize output number  
  
# Help  
  
  
if [ -z "$3"]  
   then  
       nmap -sL -n -iL $1 | grep 'Nmap scan report for' | cut -f 5 -d ' ' > $2  
   else  
       nmap -sL -n -iL $1 | grep 'Nmap scan report for' | cut -f 5 -d ' ' | shuf -n $3 > $2  
fi