jeffdonthemic/ghost-cli — pull request #3 by mmornati (2014-10-11 16:01:29+00:00)
Title: Updated JSON structure to be compatible with ghost >= 0.5.2

It seems the Json data stracture changed with with the new version of ghost:

{"db":[{"meta":{"exported_on":1413042678204,"version":"003"},"data":{" ....

It is a quick and dirty fix.
Maybe would be better to add a try/catch to be compatible with all ghost versions.