Date:         Wed, 19 Jan 2005 08:44:09 -0800
Reply-To:     Vadim Pliner <Vadim.Pliner@VERIZONWIRELESS.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Vadim Pliner <Vadim.Pliner@VERIZONWIRELESS.COM>
Organization: http://groups.google.com
Subject:      Re: row numbering
Content-Type: text/plain; charset="iso-8859-1"

Or:

data new;
set old;
id+1;
run;