Olga Natkovich commented on PIG-574:
I reviewed the patch and it looks good. I also ran unit tests and they all
In addition, I ran some manual tests and have a couple of comments:
(1) As implemented now, scripts that ran from within grunt would not be able to
take advantage of the parameter substitution as it is not available in the
interactive mode. I think this is ok for now and we can revisit it later if
users ask for it.
(2) When using run, I could integrate commands in my script with the
interactive commands in the shell which was really nice; however, the commands
from the script did not show in the command history. If it is reasonably easy
to integrate, it would be nice to have that functionality.
(3) Very minor thing: after I execute ran command, I see double prompt from
> run command for grunt
> Key: PIG-574
> URL: https://issues.apache.org/jira/browse/PIG-574
> Project: Pig
> Issue Type: New Feature
> Components: grunt
> Reporter: David Ciemiewicz
> Priority: Minor
> Attachments: run_command.patch
> This is a request for a "run file" command in grunt which will read a script
> from the local file system and execute the script interactively while in the
> grunt shell.
> One of the things that slows down iterative development of large, complicated
> Pig scripts that must operate on hadoop fs data is that the edit, run, debug
> cycle is slow because I must wait to allocate a Hadoop-on-Demand (hod)
> cluster for each iteration. I would prefer not to preallocate a cluster of
> nodes (though I could).
> Instead, I'd like to have one window open and edit my Pig script using vim or
> emacs, write it, and then type "run myscript.pig" at the grunt shell until I
> get things right.
> I'm used to doing similar things with Oracle, MySQL, and R.
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