apache pig - Pig sum on data -

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i have file - (1950,10) (1951,33) (1952,15) (1953,17) (1954,17) (1955,14) (1956,60) (1957,98) (1958,73) (1959,87) (1960,123)

i want sum of second field through pig. eg out put should (547)

please help

you can this. have group records..

 x = load '/root/stack.txt' using pigstorage(',') (year:int,score:int);  y = group x all;  z = foreach y generate sum(x.score);  dump z;

answer: 

(547)

is solves problem......


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