Write information as needed to the SAS log while writing an external file.

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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.

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/* SAS 9 introduces the PUTLOG statement to write messages to the SAS log      */
/* while writing to a flat file. In Example 1 below, only NAME would be        */
/* written to the external file, while the message "Encountered first male"    */
/* would be written to the SAS log.                                            */
/*                                                                             */
/* If you are running prior to SAS 9, you can get the same result using        */
/* macro logic.  See the alternative technique illustrated in Example 2 below. */


/* Example 1 - PUTLOG */

proc sort data=sashelp.class out=class;
  by name;
run;

data _null_;
  set class (obs=5);
  file print;
  put name;
  if name= 'Alfred' then putlog "Encountered first male on observation " _n_;
run;

/* Example 2 - Prior to SAS 9.0                                          */
/* Using a macro to write to log rather than flat file.                  */
/* Type the macro 'as is'.  Edit the text to be written to the log where */
/* you call the macro in your DATA step.                                 */
  
%macro putlog(msg);
   drop __RC;
   __RC = _ERROR_;
   error &msg;
   _ERROR_ = __RC;
%mend;

data one;
  file print;
  input a;
  if a=4 then do;
    %putlog("Value is 4");
    end;
  else put 'and the answer is ' a= ;
datalines;
1
2
3
4
5
;

---

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.

 Example1 -- OUTPUT written to FILE PRINT 

Alfred
Alice
Barbara
Carol
Henry

 OUTPUT written to LOG 

Encountered first male on observation 1


 Example 2 -- OUTPUT written to FILE PRINT 

and the answer is a=1
and the answer is a=2
and the answer is a=3
and the answer is a=5


 OUTPUT written to LOG 

Value is 4

Write information as needed to the SAS log while writing an external file.

Type:	Sample
Topic:	SAS Reference ==> DATA Step Common Programming Tasks ==> Reading and Writing External Data

Date Modified:	2005-12-08 11:34:28
Date Created:	2004-09-30 14:09:09

Operating System and Release Information

Product Family	Product	Host	SAS Release
			Starting	Ending
SAS System	Base SAS	All	n/a	n/a