Calling a SAS macro from a data step

Controlling a macro using a data step can be very helpful when you want to use a set of values in a macro and would like a clean way to introduce them.

The real trick is using the line "call excecute(%macro_name);" This allows the macro to be called for each row of data.

Sample code:

Data set:

data data_1;
   input name $ age;
datalines;
Fred 5

Mike 8 

Joel 6
;

Macro sample:

%macro print(name,n);
%put "&name. is &n years old.";
%mend;

Macro call:

Data _null_;
set data_1;
call execute('%print('||name||','||'age)');
run;

Thanks for your time today.

If you fold towels your job is safe

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http://www.economist.com/node/16990700?story_id=16990700&CFID=148874688&CFTOKEN=11523152

07/05/2010

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