ref: e4e53a6530a5be4c393c2146c83f3a7f01fce93f dir: /age/
#!/bin/rc rfork ne bday=862048830 # % date -j -f "%b %d %Y" "Apr 26 1997" +%s today=`{date -n} bc <<EOF ($today - $bday)/(3600*24*365) EOF