including external files in config by corename

[Shawn Heisey]

Is it possible to access the core name in a config file (such as 
solrconfig.xml) so I can include core-specific configlets into a common 
config file?  I would like to pull in different configurations for 
things like shards and replication, but have all the cores otherwise use 
an identical config file.

Also, I have been looking for the syntax to include a snippet and 
haven't turned anything up yet.

Thanks,
Shawn