On 9-Feb-10, at 5:02 PM, Robert Kern wrote: >> Examples? Pointers? Shoves toward the correct sections of the docs? > > numpy.lib.recfunctions.join_by(key, r1, r2, jointype='leftouter') Huh. All these years, how have I missed this? Yet another demonstration of why my "never skip over a Kern posting" policy exists. David