The command 'admin.nodeInfo.nodeURL', results in 'undefined', in the recent version of Geth.
Here is the actual output, based on the recent version of Geth:
myMac:console2 admin$ geth attach ipc:../node2/geth.ipc
Welcome to the Geth JavaScript console!
The command 'admin.nodeInfo.nodeURL', results in 'undefined', in the recent version of Geth. Here is the actual output, based on the recent version of Geth: