Output with only key, no value?

[Erik Forsberg]

Hi!

Can I make dumbo output only the key, and no value?

I tried the following in my reduce function:

yield (key,)

.. but it messed up the linebreaks in the output for some reason - multiple entries ended up on
the same line.

Cheers,
\EF
--
Erik Forsberg <fors...@opera.com>
Developer, Opera Software - http://www.opera.com/