http://goleafsgo.cgsociety.org/blog/ Tim Fowler wrote it for someone a while back. It's the SelectEveryNEdge script He's got some other useful scripts too.
Is there a mel script or easy way of selecting every other edge on a ring or loop like the dot loop function from polyboost/graphite tools in max? I'm using maya 8.
Ah, neat, that's a good start. I'll probably take a look at these existing scripts and see if they can be extended to a more generic thing that detects your current selection and expands based on that starting point.
Hmm, I was wondering this recently too. Basically any sort of "pattern select" stuff - like if you select 2 faces spaced apart by 2 faces, then can a "pattern select" grab every face offset by 2 in a similar way? I might have to look into methods for this, sounds like it might not be too hard to script (if nobody has…