[CentOS] Text Proccessing script - advice?

On Tue, Dec 21, 2010 at 09:40:42PM +0200, Roland RoLaNd wrote:

> original data:
> 
> 01,01368,2010-12-02,09:07:00,Pass
> 01,01368,2010-12-02,10:54:00,Pass
> 01,01368,2010-12-02,13:07:04,Pass
> 01,01368,2010-12-02,18:54:01,Pass
> 01,01368,2010-12-03,09:02:00,Pass
> 01,01368,2010-12-03,13:53:00,Pass
> 01,01368,2010-12-03,16:07:00,Pass

> the only thing missing is to find a way to just take the
> earliest time of each day.

You may use mktime(datespec) (see man awk) to covert date and
time into comparable integers.

Mihai