One liner to find if any of your Facebook friends had their password compromised: grep -o '[[:alnum:]+\.\_\-]*@[[:alnum:]+\.\_\-]*' yahoo_ab.csv | while re

One liner to find if any of your Facebook friends had their password compromised: grep -o '[[:alnum:]+\.\_\-]*@[[:alnum:]+\.\_\-]*' yahoo_ab.csv | while read line; do grep " $line" parsed_db.txt; done For those not in the know, you can export a CSV of your Facebook friends' email addresses in under 4 minutes by following this guide: http://lifehacker.com/5690378/how-to-export-your-friends-email-addresses-from-facebook http://lifehacker.com/5690378/how-to-export-your-friends-ema... which yields a yahoo_ab.csv. From there you can cross check it against the parsed_db.txt file or the full_db.log You should probably tell your friends if they're showing up in the parsed_db.txt as one of their passwords can now be seen by anyone.