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From "Joshua Hartman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2122) Parameter Substitution doesn't work in the Grunt shell
Date Thu, 27 Sep 2012 00:37:07 GMT

    [ https://issues.apache.org/jira/browse/PIG-2122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464326#comment-13464326
] 

Joshua Hartman commented on PIG-2122:
-------------------------------------

This irritates me on a weekly basis. I'm often running ad-hoc analysis in grunt with snippets
taken from some heavier scripts I've written and I get bitten ALL the time.
                
> Parameter Substitution doesn't work in the Grunt shell
> ------------------------------------------------------
>
>                 Key: PIG-2122
>                 URL: https://issues.apache.org/jira/browse/PIG-2122
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.8.0, 0.8.1
>            Reporter: Grant Ingersoll
>            Priority: Minor
>
> Simple param substitution and things like %declare (as copied out of the docs) don't
work in the grunt shell.
> #Start Pig with: Start Pig with: bin/pig -x local -p time=FOO
> {quote}
> foo = LOAD '/user/grant/foo.txt' AS (a:chararray, b:chararray, c:chararray);
> Y = foreach foo generate *, '$time';
> dump Y;
> {quote}
> Output:
> {quote}
> 2011-06-13 20:22:24,197 [main] INFO  org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil
- Total input paths to process : 1
> (1 2 3,,,$time)
> (4 5 6,,,$time)
> {quote}
> Same script, stored in junk.pig, run as: bin/pig -x local -p time=FOO junk.pig
> {quote}
> 2011-06-13 20:23:38,864 [main] INFO  org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil
- Total input paths to process : 1
> (1 2 3,,,FOO)
> (4 5 6,,,FOO)
> {quote}
> Also, things like don't work (nor does %declare):
> {quote}
> grunt> %default DATE '20090101';    
> 2011-06-13 20:18:19,943 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1000: Error
during parsing. Encountered " <PATH> "%default "" at line 1, column 1.
> Was expecting one of:
>     <EOF> 
>     "cat" ...
>     "fs" ...
>     "sh" ...
>     "cd" ...
>     "cp" ...
>     "copyFromLocal" ...
>     "copyToLocal" ...
>     "dump" ...
>     "describe" ...
>     "aliases" ...
>     "explain" ...
>     "help" ...
>     "kill" ...
>     "ls" ...
>     "mv" ...
>     "mkdir" ...
>     "pwd" ...
>     "quit" ...
>     "register" ...
>     "rm" ...
>     "rmf" ...
>     "set" ...
>     "illustrate" ...
>     "run" ...
>     "exec" ...
>     "scriptDone" ...
>     "" ...
>     <EOL> ...
>     ";" ...
>     
> Details at logfile: /Users/grant.ingersoll/projects/apache/pig/release-0.8.1/pig_1308002917912.log
> {quote}

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