/*****************************************************************************************************************

SAS file name: BufsizeBufno
File location: 
_________________________________________________________________________________________________________________

Purpose: To demonstrate how and where to set the Bufno and Bufsize options in SAS and what they do.
Author: Peter Clemmensen
Creation Date: 18/05/2018

This program supports the example page "Using the BUFSIZE and BUFNO Options in SAS" on SASnrd.com

*****************************************************************************************************************/

/* Set Bufno and Bufsize as system options */
options bufsize=32k bufno=5;

/* Check the values of Bufno and Bufsize */
proc options option=(bufsize bufno);
run;

/* Create data set a and rely on Bufno and Bufsize system options */
data a;
   do x=1 to 10e6;
      output;
   end;
run;

/* Review data set b */
proc contents data=a;
run;

/* Create data set b and set Bufno and Bufsize as data set options */
data b(bufsize=256k bufno=20);
   do x=1 to 10e6;
      output;
   end;
run;

/* Review data set b */
proc contents data=b;
run;