This is really awesome, but what would be awesome as well would be the inverse, which is the ability to find potentially relevant options from man pages based o

This is really awesome, but what would be awesome as well would be the inverse, which is the ability to find potentially relevant options from man pages based on keywords. This site is a great idea for when you want to find out what some command line black magic is, but the inverse would be great for "I know this command line tool can do this thing, but I don't know the options".