1. Checkpoint Restart Demo (Using Steps)

2. LIBNAME chkptlib "c:\temp\checkpoint_Step";
options cpucount=8;
%macro sumstat(indsn=,invar=);
data _null_;
call sleep(1,2);
run;
proc means data=&indsn. median mean;
var &invar.;
%mend;

3. CHECKPOINT EXECUTE_ALWAYS;
data _null_;
putlog '********************************';
putlog '***EXAMPLE for FALL 2017 Q&A****';
run;
/* Create input data */
data a;
do i=1 to ;
x=i;
y=x+1;
z=y+1;
output;
end;
%sumstat(indsn=a, invar=x);
%sumstat(indsn=a, invar=y);
%sumstat(indsn=a, invar=z);

4. rem run job in checkpoint mode
"C:\Program Files\SASHome2\SASFoundation\9.4\sas.exe" -nologo ^
-CONFIG "C:\Program Files\SASHome2\SASFoundation\9.4\nls\en\sasv9.cfg" ^
-sysin 'C:\temp\Checkpoint_Step\Checkpoint_Step.sas' ^
-errorabend -errorcheck strict ^
-stepchkpt -stepchkptlib chkptlib ^
-noworkinit -noworkterm

8. rem run job in restart mode
"C:\Program Files\SASHome2\SASFoundation\9.4\sas.exe" -nologo ^
-CONFIG "C:\Program Files\SASHome2\SASFoundation\9.4\nls\en\sasv9.cfg" ^
-sysin 'C:\temp\Checkpoint_Step\Checkpoint_Step.sas' ^
-errorabend -errorcheck strict ^
-steprestart -stepchkptlib chkptlib ^
-noworkinit -noworkterm