import java.io.*;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class ips {
        private static Pattern ex = Pattern.compile("\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}");
        private static Matcher match;
        static Writer output;
        static int loop = 0;
        public static void main(String[] args) throws IOException{
            String filen = args[0];
            File file = new File(filen);
            FileInputStream fis = new FileInputStream(file);
            BufferedInputStream bis = new BufferedInputStream(fis);
            DataInputStream dis = new DataInputStream(bis);
            output = new BufferedWriter(new FileWriter("ips"));
            while(dis.available()!=0){
            String it = dis.readLine();
            match = ex.matcher(it);
            while (match.find() ){
                 System.out.println( match.group() );
                 output.write(match.group()+"\n");
                 loop++;
            }
            }
            output.close();
            System.out.println("Done parsing the Nmap log.\n"+loop+" ips total.");
        }
}