See https://github.com/meehow/ethereum-vanity-wallet
This version:
- doesn't display the private key
- let's you interactively export the key as a JSON keystore (password supplied via terminal)
git clone https://github.com/zb3/ethereum-vanity-wallet
cd ethereum-vanity-wallet
then
go run main.go
or
go build
./ethereum-vanity-wallet
For example:
go run main.go -p 2b3