Maybe you can write a simple map/reduce task to do it.
Best Regards,
Francesco
-------------------------------------------------------------------------
Francesco Salbaroli
Stud./Intern @ Innovation Centre
IBM Technology Campus,
Damastown Industrial Estate, Mulhuddart, Dublin 15
E-mail: francesco.salbaroli(at)ie.ibm.com
Tel.: +353 01 815 5625
Graduate Student - Università di Bologna
E-mail: francesco.salbaroli(at)studio.unibo.it
-------------------------------------------------------------------------