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Date:   Thu, 23 Nov 2006 11:05:03 -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: A question about how to let user defined macro returns
Comments:   To: sas-l@uga.edu
In-Reply-To:   <200611231610.kANBsYPx002299@mailgw.cc.uga.edu>
Content-Type:   text/plain; charset="us-ascii"

Gerhard Hellriegel wrote: > example: > > %macro double(x); > %let res=%eval(&x*2); > &res;

I think that last semicolon should not be there.

> %mend; > > %let test=%double(8); > > > But be careful with the usage: > > data a; > set sashelp.class; > *double_age=%double(age); /* this will not work */ > quad_age=age*%double(2); > put quad_age; > run; > > Regards, > Gerhard > > > On Thu, 23 Nov 2006 09:47:17 -0500, Minze Su <slhappyls@GMAIL.COM> wrote: > > >Dear all: > > > > I think in SAS a macro can work as a functions, but how can it give back > >value as other programming languages do. > > > >BR, > > > >Minze


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