This is what I am seeing:
grunt> B = FOREACH A GENERATE CONCAT('{',a);
>> };
2013-04-04 17:31:27,132 [main] ERROR org.apache.pig.tools.grunt.Grunt -
ERROR 1200: <line 4, column 0>  mismatched input '}' expecting EOF
Details at logfile: /Users/XXX/pig_1365116672592.log
grunt> B = FOREACH A GENERATE CONCAT('\{',a);
>> };
<line 3, column 32>  Unexpected character '{'
2013-04-04 17:31:33,033 [main] ERROR org.apache.pig.tools.grunt.Grunt -
ERROR 1200: <line 3, column 32>  Unexpected character '{'
Details at logfile: /Users/XXX/pig_1365116672592.log
grunt> B = FOREACH A GENERATE CONCAT('\\{',a);
>> };
2013-04-04 17:31:40,094 [main] ERROR org.apache.pig.tools.grunt.Grunt -
ERROR 1200: <line 4, column 0>  mismatched input '}' expecting EOF
Details at logfile: /Users/XXX/pig_1365116672592.log



I have to type }; to get back to the prompt.

Thanks again for your help!

-W

On 4/4/13 5:27 PM, "Prashant Kommireddi" <[email protected]> wrote:

>Pressed send too soon. Try this (single quotes)
>
>B = FOREACH A GENERATE CONCAT('{', a);
>
>
>On Thu, Apr 4, 2013 at 5:26 PM, Prashant Kommireddi
><[email protected]>wrote:
>
>> Can you try single quotes?
>>
>>
>>
>> On Thu, Apr 4, 2013 at 5:08 PM, Will Ford
>><[email protected]>wrote:
>>
>>> Hi,
>>>
>>> I am trying to concatenate an open brace ( "{" ) to a string and I
>>> believe pig thinks that I am trying to open a bag or something.
>>>
>>> This does work:
>>> A = LOAD 'short' USING PigStorage('\t') AS (a:chararray, b:chararray,
>>> c:chararray, d:chararray,e:chararray, f:chararray);
>>> B = FOREACH A GENERATE CONCAT("\[",a);
>>>
>>> This does not work:
>>> A = LOAD 'short' USING PigStorage('\t') AS (a:chararray, b:chararray,
>>> c:chararray, d:chararray,e:chararray, f:chararray);
>>> B = FOREACH A GENERATE CONCAT("\{",a);
>>>
>>> It also does not work if I replace the second line with
>>> B = FOREACH A GENERATE CONCAT("{",a);
>>> -or-
>>> B = FOREACH A GENERATE CONCAT("\\{",a);
>>>
>>> Is there a way to add an open brace to field?
>>>
>>> Thanks in advance for your help.
>>>
>>> -Will
>>>
>>
>>

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