[sqlite] SQLite 3.0.8 shell error handling

[Clark Christensen]

Is there any error handling available in the SQLite 3.0.8
command shell?  Using sqlite3 test.db "read my.sql" from
the commandline, I don't see a way to embed an exit into
the script file in case something goes wrong with one step
or another.

I want to use the shell read a script like this from
my.sql:

   create temp table tmp_tbl (...);
   .import somefile.txt
   --exit here if the import fails
   ...

How do I test for the failed import, and exit?

Thanks!

 -Clark