Syntax :

assetfinder [example.com](<http://example.com>)

—

we can save result in file like this

assetfinder [example.com](<http://example.com>) >> example.txt

—

there’s option to show only subdomains , called --subs-only

assetfinder --subs-only [example.com](<http://example.com>) >> example.txt

script

#!/bin/bash

url=$1

if [ ! -d "$url" ];then
        mkdir $url
fi

if [ ! -d "url/recon" ];then
        mkdir $url/recon 
fi

echo "[+] harvesting subdomains with assetfinder..."
assetfinder $url >> $url/recon/asset.txt
cat $url/recon/asset.txt | grep $1  >> $url/recon/final.txt
rm $url/recon/asset.txt