$ nano porder.txt
$ cat porder.txt
$ hdfs dfs-put porder.txt /pigexample
$ pig
grunt> A = LOAD '/pigexample/porder.txt' USING PigStorage(',') AS (a1:int,a2:int,a3:int) ;
grunt> DUMP A;
grunt> Result = ORDER A BY a1 DESC; grunt> DUMP Result;