Double quotes have to be used to get a macro variable to resolve. Single quotes treat it as text.

Calrk Roberts _____________________________________________ On Mon, 25 Nov 1996 17:23:29 EST, Stephen Dybas <skd02@HEALTH.STATE.NY.US> wrote:

>*** Resending note of 11/25/96 17:22 >To: . --ALBNYDH2 > >*** Resending note of 11/25/96 17:17 >To: . --ALBNYDH2 > >Hi all, > >Assuming the macro processor is turned on, why does YY not resolve to 95 >when inside the select block, using the date constant? The informat on the >variable PERVAL is MMDDYY6. Sample data values would be 013195, 022895, etc. >TIA for any thoughtful answers. > >80 >81 %LET YY = 95; >82 >83 DATA JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC; >84 SELECT (PERVAL); >85 WHEN ('31JAN&YY'd) OUTPUT JAN; > ___________ > 77 >ERROR: INVALID DATE/TIME/DATETIME CONSTANT '31JAN&YY'd. >ERROR 77-185: INVALID NUMBER CONVERSION ON '31JAN&YY'd. > > >86 WHEN ('28FEB&YY'd) OUTPUT FEB; > ___________ > 77 >ERROR: INVALID DATE/TIME/DATETIME CONSTANT '28FEB&YY'd. >ERROR 77-185: INVALID NUMBER CONVERSION ON '28FEB&YY'd. > >* Stephen Dybas skd02@health.state.ny.us >* DOH - BHE >* Room 1110, Corning Tower >* (518) 473-7883

Clark Roberts Decision Analytics, A SAS Institute Quality Partner(tm) e-Mail dacmr@mindspring.com or Clark_Roberts@depotech.com Voice/Message/Fax: (619) 565-9627 Pager: (619) 975-0758 _____________________________________________

SAS and SAS Institute Quality Partner are registered trademarks or trademarks of SAS Institute Inc. in the USA and other countries. ______________________________________________