$ nano evalsize.txt
$ cat evalsize.txt
$ hdfs dfs-put evalsize.txt /pigexample
$ pig
grunt> A = LOAD '/pigexample/evalsize.txt' USING PigStorage(',') AS (a1:chararray,a2:chararray) ;
grunt> DUMP A;
grunt> Result = FOREACH A GENERATE SIZE(a1); grunt> DUMP Result;