Taking full table backup of your HBase tables are quite natural, but when you want to import only selective rows out, it is not possible. So if your row keys have common substring, you can now selectively import the data from your Export output.
The above code was tested on Hadoop 1.0.1, HBase 0.92.1.
The above code was tested on Hadoop 1.0.1, HBase 0.92.1.