[j-nsp] Cisco equivalent of exist-map

[junos fordummies]

Hey Gurus :)

I have a question for you, is there a command in Junos or policy
example that conditionally advertises routes, for example I want to
advertise 10/x if 9.9.9.9/32 is in the Rib as an active route. I
thought of using policy with aggregate routes however this is not
helping me here. Any ideas ? I want the policy to be very specific for
certain reasons, so in essence i am matching a  /32 active route and
want to advertise my bgp prefix only if its available.

Thanks,

JFD.