Date:         Thu, 27 Jan 2005 03:48:10 -0800
Reply-To:     RolandRB <rolandberry@HOTMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         RolandRB <rolandberry@HOTMAIL.COM>
Organization: http://groups.google.com
Subject:      Re: Utility to scan string variables for non-printable characters
              ?
Content-Type: text/plain; charset="iso-8859-1"

Choate, Paul@DDS wrote:
> Hi Roland -
>
> Pardon a dumb question but what is happening with nvarsc in the %let
> statement?
>
> %local nvarsc;
> %let nvarsc=%nvarsc(&dsname);
> %if &nvarsc %then %do;
>
> I don't get it....?

%nvarsc counts the number of character variables. Further processing is
done only if this count is greater than zero since I only want to scan
character variables for hex characters.