code: def dirlist(self, path):
          
  
          code = """
          data _null_;
           spd = '""" + path + """';
           rc  = filename('saspydir', spd);
           did = dopen('saspydir');
  
           if did > 0 then
              do;
                 memcount = dnum(did);
                 put 'MEMCOUNT=' memcount;
                 do while (memcount > 0);
                    name = dread(did, memcount);
                    memcount = memcount - 1;
  
                    qname = spd || '"""+self.hostsep+"""' || name;
  
                    rc = filename('saspydq', qname);
                    dq = dopen('saspydq');
                    if dq NE 0 then
                       do;
                          dname = strip(name) || '"""+self.hostsep+"""';
                          put 'DIR=' dname;
                          rc = dclose(dq);
                       end;
                    else
                       put 'FILE=' name;
                 end;
  
              put 'MEMEND';
              rc = dclose(did);
              end;
           else
              do;
                 put 'MEMCOUNT=0';
                 put 'MEMEND';
             end;
  
           rc = filename('saspydq');
           rc = filename('saspydir');
          run;
          """
  
          if self.nosub:
              print(code)
              return None
          else:
             ll = self.submit(code, results='text')
  
          dirlist = []
  
          l2 = ll['LOG'].rpartition("MEMCOUNT=")[2].partition("\n")
          memcount = int(l2[0])
  
          l3 = l2[2].rpartition("MEMEND")[0]
  
          for row in l3.split(sep='\n'):
              i = row.partition('=')
              if i[0] in ['FILE', 'DIR']:
                  dirlist.append(i[2])
  
          if memcount != len(dirlist):
              print("Some problem parsing list. Should be " + str(memcount) + " entries but got " + str(
                  len(dirlist)) + " instead.")
  
          return dirlist
docs: This method returns the directory list for the path specified where SAS is running