Date in Bash Script

To get a nice formatted date in a bash script, use:

    $(date +%F)

There is also 

    DATE=`date +%Y-%m-%d`

get year-month-day hour:minute:second from date

    DATE=`date +%Y-%m-%d:%H:%M:%S`

 
http://stackoverflow.com/questions/1401482/yyyy-mm-dd-format-date-in-shell-script