From simon.urbanek at r-project.org  Wed Dec  2 15:07:39 2009
From: simon.urbanek at r-project.org (Simon Urbanek)
Date: Wed, 2 Dec 2009 09:07:39 -0500
Subject: [Rd] Bug in R evaluating a huge instruction (PR#14096)
In-Reply-To: <4B1616D2.70908@codelutin.com>
References: <20091130155010.4EFF1282EFE3@mail.pubhealth.ku.dk>
	<4B144659.6090702@stats.uwo.ca> <4B14AEB1.9090206@codelutin.com>
	<4B152F22.9000506@stats.uwo.ca> <4B1616D2.70908@codelutin.com>
Message-ID: <53F62762-1611-4445-97E1-A3B3BA2AB0D4@r-project.org>


On Dec 2, 2009, at 2:27 , Jean Couteau wrote:

> Thank you very much for your input Duncan and Romain.
>
> I will try to do what you are advising. The R instruction is  
> generated from java using jri (and an abstraction layer we built  
> upon it : nuiton-j2r), i will try add this limitation to nuiton-j2r  
> so that it split the instruction if it is too long.
>

FWIW the restriction is only on the console input - if you send it  
directly, there is no limit (I have never heard of nuiton-j2r but if  
you use rJava to interface from Java to R there is no limit - the  
string you parse+evaluate can be of any length).

Cheers,
Simon


> Duncan Murdoch wrote:
>> On 01/12/2009 12:50 AM, Jean Couteau wrote:
>>> Thanks for your time Duncan,
>>>
>>> I join here the instruction that is not correct, hoping that might  
>>> help you. The file is encoded in utf-8 so you should not have any  
>>> problem reading it.
>>>
>>> I doubt to that it is an R bug too, but with all my tests i am  
>>> less and less sure of that.
>>
>> I have no problem sourcing that file, but I do get an error if I  
>> try to cut and paste it, because it's a single line of 4890  
>> characters, and that's too long.  So this is an R limitation, but  
>> it's one with an easy workaround:  just add some line breaks into  
>> your source.
>>
>> Duncan Murdoch
>>
>>
>>>
>>> Best regards,
>>> Jean Couteau
>>>> Your message has encoding problems, so it's not readable.  Could  
>>>> you put the code online somewhere where we could download it in  
>>>> its original form?  I doubt if this is an R bug, but I can't  
>>>> point out the problem in your code (or confirm that it really is  
>>>> an R bug) without an undamaged copy of the code.
>>>>
>>>> Duncan Murdoch
>>>>
>>>>
>>>>
>>>
>>
>>
>
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>



[Rd] Bug in R evaluating a huge instruction (PR#14096)
Simon Urbanek