IP_STR EXTRACKTOR (shodan.io)

<?php

/*
Name    : IP_STR EXTRACKTOR (shodan.io)
Author  : Shor7cut
Link    : http://facebook.com/bug7sec
*/

function save($name,$data){
        $myfile = fopen($name, "a+") or die("Unable to open file!");
        fwrite($myfile, $data);
        fclose($myfile);
        if($myfile){
                return true;
        }else{
                return false;
        }
}

if(isset($argv[1]) && isset($argv[2])){
    $x = 1;
    $json = file_get_contents($argv[1]);
    $re = "/\"ip_str\": \"(.*?)\"}/";
    preg_match_all($re, $json, $matches);
    foreach ($matches[0] as $key => $value) {
        $filter =  str_replace('"ip_str": "' , "", $value);
        $filter = str_replace('"}', "", $filter);
        $data = $filter."\r\n";
        save($argv[2],$data);
        $x++;
        echo "$x ";
    }
    echo "\r\n total : ".$x." Target";
}else{
    echo "php ".$argv[0]." [file] [output]\r\n";
}
?>