You can try using a customer storage parser. You can see a bunch of examples here..
pig-0.7.0/contrib/piggybank/java/src/main/java/org/apache/pig/piggybank/storage I wrote one for JSON. On Tue, Nov 30, 2010 at 12:16 PM, Yves Roy <yves....@cossette.com> wrote: > Hello: > > I hope this is not double posting. > > I want to do something simple: > > I have a data file, mydata.log, formatted like this: > > a1 | b1 | c=foo&d=bar | e1 > a2 | b2 | c=john&d=doe | e2 > a3 | b3 | c=foo&d=doe | e3 > ... > > and I want to LOAD the data USING <something> in order to get the AS to be > (A,B,C,D, E) i.e. extract 2 fields from the third one. > > For example : > > data = LOAD 'mydata.log' USING <something> AS (A, B, C, D, E); > > i.e. I want the third field (i.e. the one formatted as 'cx=foox&dx=barx') > to > be parsed to yield the C and D in my AS list of fields > so that later on I can do things like: > > data_cfoo = FILTER data BY c == 'foo'; > data_cfoo_ddoe = FILTER data_cfoo BY d='doe'; > > > There has to have a simple way way to do that ? > Passing a regex, a ruby script or what else as a parameter to PigStorage, > or > using something else than PigStorage? > > Many thanks > > Yves > > YVES > DE FJORD > > YVES ROY DÉVELOPPEUR LOGICIEL DE FJORD > 2100, RUE DRUMMOND, MONTRÉAL, QUÉBEC H3G 1X1 CANADA > T 514 270 8782 #4572 / F 514 270 4162 / cossette.com >
