this package reads in memory all the database from udger and lets you lookup user agents's metadatas.
go get github.com/udger/udger
For detailed documentation and basic usage examples, please see the package documentation at https://godoc.org/github.com/udger/udger
For autoupdate data use Udger data updater (https://udger.com/support/documentation/?doc=62)
If you still use the previous format of the db (v2), please see the branch old_format_v2