This SHOULD be included in the default client. Reason being, it is incredibly useful for people who know how to use it, and not all of us know how to use linux or feel like spending hours on Windows attempting to compile the source with all of the dependencies.
Discluding a feature like this from anyone who doesn't know how to compile c code would be a terrible thing.
+1 more. This is a very important feature, whether it's exposed to end users or not.
Actually, I might have changed my mind (partly)
Exporting of a key has a problem, doesn't it: the key is still in the source wallet. There's no way to remove it, is there? Even if there is, it's easy to screw up and people will wonder where their money went.
The
importing of a privkey is the part that is important for users (bitbill, import key generated with external tool like vanitygen) and this part, luckyly, poses no problems (that I can see), does it?
So how about splitting this and putting
importprivkey in default, but not
dumpprivkey?
I still disagree. I'd like to be able to export private keys from wallets, but really don't want to have to try to compile bitcoin again. That was a complete PITA.