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These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

/* Create a test data set */

data test;
 input a b c $ d $;
datalines;
1 2 A B
3 4 C D
;


%macro obsnvars(ds);
 %global dset nvars nobs;
 %let dset=&ds;

 /* Open data set passed as the macro parameter */
 %let dsid = %sysfunc(open(&dset));

 /* If the data set exists, then grab the number of observations and variables */
 /* then close the data set                                                    */
 %if &dsid %then
   %do;
      %let nobs =%sysfunc(attrn(&dsid,nobs));
      %let nvars=%sysfunc(attrn(&dsid,nvars));
      %let rc = %sysfunc(close(&dsid));
   %end;

 /* Otherwise, write a message that the data set could not be opened */
 %else %put open for data set &dset failed - %sysfunc(sysmsg());
%mend obsnvars;


/* Execute the macro -- pass TEST as the data set parameter */

%obsnvars(test)

%put &dset has &nvars variable(s) and &nobs observation(s).;

---

These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

OUTPUT to SAS log 


test has 4 variable(s) and 2 observation(s).

Operating System and Release Information