SYSPARM

Conditionally Execute Batch Jobs

data one;
      set one;
      if scan(sysparm(),1) ^= ' ' then do;
......

data _null_;
      array p{3} p1-p3;
      inp=sysparm();
      if inp='' then abort abend;
      do i = 1 to 3;
        p[i]=scan(inp,i);
      end;
      call symput('v1',left(trim(p1)));
......


sas program.sas -sysparm "XYZ ABC OPQ"