Hello,
I found antomaton.jar file in lib directory. But  I did not find automaton version in Pig-0.8.1.
My question are:
1. what is the automaton version of Pig-0.8.1?
2. Why automaton jar file is located in lib directory? What this jar file will be used for?
3. Could I replace lib/automaton.jar with automaton-1.7.2?
Thank you.

On 8/7/11 9:01 AM, lulynn_2008 wrote:
>   Hello,
> I found antomaton.jar file in lib directory. But  I did not find automaton version in Pig-0.8.1.
> My question are:
> 1. what is the automaton version of Pig-0.8.1?
I could not find the version number from the jar file either. But it
would have the stable version for java 6 as of 11 Dec 2009. It was added
as part of https://issues.apache.org/jira/browse/PIG-965
> 2. Why automaton jar file is located in lib directory? What this jar file will be used for?
See above link, it is used for matches clause.

> 3. Could I replace lib/automaton.jar with automaton-1.7.2?
I am not sure. Looking at the change logs, it seems like there have
been multiple changes, including classes being rearranged. You can give
it a try .
-Thejas