Date:         Thu, 27 Nov 2008 13:18:59 -0500
Reply-To:     Gerhard Hellriegel <gerhard.hellriegel@T-ONLINE.DE>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Gerhard Hellriegel <gerhard.hellriegel@T-ONLINE.DE>
Subject:      Re: macro for proc means

do you need something like that?

%macro me;
  %let str=%str(flag_b=0 flag_c=0 flag_d=0 flag_e=0);
  %let strr2=flag_a=0;
  %do i=1 %to 4;
     %let strr=%scan(&str.,&i.);
   %let strr2=&strr2 &strr;
   %put &strr   &strr2.;
  %end;
%mend me;
%me;

Gerhard




On Wed, 26 Nov 2008 09:11:47 -0600, yingtao <yingtaoliu@GMAIL.COM> wrote:

>Thanks Wei and Tanwan!
>Any idea why the following code not working? The error happens at the
>concatenation function (it does not capture the string of &strr.  How
>to fix it?
>
>
>
>%macro me;
>  %let str=%str(flag_b=0 flag_c=0 flag_d=0 flag_e=0);
>  %let strr2=flag_a=0;
>  %do i=1 %to 4;
>     %let strr=%scan(&str.,&i.);
>   %let strr2=%sysfunc(catt(&strr2., &strr.));
>   %put &strr   &strr2.;
>  %end;
>%mend me;
>%me;