Date:         Mon, 14 Jul 2008 08:45:07 -0500
Reply-To:     "data _null_," <datanull@GMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "data _null_," <datanull@GMAIL.COM>
Subject:      Re: Simple programming question
Comments: To: Anindya Mozumdar <anindya.lugbang@gmail.com>
In-Reply-To:  <4e829fd30807140637v31180cc7rbd3623488ca90b3a@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

It is actually F1. INFORMAT.  The : is a modifier, so that I can use
an informat with list input.  I could have written :1.  and $3. could
have been written :$F3.

On 7/14/08, Anindya Mozumdar <anindya.lugbang@gmail.com> wrote:
> What is the significance of :f1 in the code? Thanks....
>
> On Mon, Jul 14, 2008 at 6:41 PM, data _null_, <datanull@gmail.com> wrote:
> > UPDATE!!  The forgotten sibling of SET and MERGE.
> >
> > data have;
> >   infile cards missover;
> >  input Ptno  (a   b   c   d   e   f   g   h) (:f1. :$3.);
> >  cards;
> > 1  1   Yes
> > 1  . .  1   Yes
> > 1  . . . .  0   No
> > 1  . . . . . .  1   Yes
> > ;;;;
> >   run;
> > data need;
> >   update have(obs=0) have;
> >   by ptno;
> >   run;
> > proc print;
> >   run;
>