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Language SAS Macro Language

(SAS 8.2 Macro Language)

Date:04/16/09
Author:Mauro Rospocher
URL:n/a
Comments:2
Info:http://v8doc.sas.com/sashtml/macro/index.htm
Score: (3.01 in 78 votes)
/* SAS Macro Language 8.2       */
/* Recursive SAS Macro solution */ 

%macro bottiglieSong(bottiglie);
 %local resto;
 %let resto=%eval(&bottiglie-1);
 %put &bottiglie bottles of beer on the wall, &bottiglie bottles of beer.;
 %put Take one down and pass it around, &resto bottles of beer on the wall.;
 %put ;
 %if &bottiglie > 2 %then %bottiglieSong(&resto);
 %else %do;
   %put 1 bottle of beer on the wall, 1 bottle of beer.;
   %put Take one down and pass it around, no more bottles of beer on the wall.;
   %put ;
   %put No more bottles of beer on the wall, no more bottles of beer.;
   %put Go to the store and buy some more, 99 bottles of beer on the wall.;
 %end;
%mend bottiglieSong;

/* the macro call */

%bottiglieSong(99)

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