Re: [R] Rgui.exe fix for "console not found" buffer overflow problem

From: Duncan Murdoch <>
Date: Sun 29 Oct 2006 - 14:34:17 GMT

On 10/29/2006 8:23 AM, Gabor Grothendieck wrote:

> On 10/29/06, Duncan Murdoch <> wrote:
>> On 10/29/2006 5:52 AM, Duncan Murdoch wrote:

>>> On 10/29/2006 1:12 AM, Jesse Albert Canchola wrote:
>>>> Here's how the problem started. In Rgui.exe, I attempted to get more
>>>> visible output in the buffer (I wanted to be able to scroll up the to the
>>>> top and see the variable names, etc.), so I put the max of all 9's in the
>>>> Rgui.exe
>>>> pull-down menus
>>>> Edit > Gui Preferences... > buffer bytes 9999999999999
>>>> and
>>>>> lines 9999999999999999999
>>>> not realizing this would effectively break the Rgui.exe and no matter what
>>>> you did to clean R out of your machine and re-install it, you would get
>>>> the same thing (with both v2.3.1 and v2.4.0). After a couple of weeks of
>>>> using Rterm.exe and meeting deadlines, I finally had time to wade through
>>>> the vague references online regarding where the problem might be.
>>> Thanks for the report. I'll take a look and see if there's a more
>>> friendly way to handle this.
>>> Generally starting with the --vanilla option is a good idea to help with
>>> diagnosing startup problems. If they go away, you've got a problem in
>>> one of your startup files, and ?Startup tells you how to trace through
>>> the startup process.
>> Whoops, I forgot that --vanilla doesn't stop an attempt to load
>> Rconsole.  I'll take a look, and see if perhaps it should.
> Also it might be useful if the Edit GUI screen listed the location of
> the Rconsole
> file it is using so its not so mysterious.

The problem is that that dialog is not using an Rconsole file, it's using internal values. Those may have been loaded from an Rconsole, or they may just be defaults.

But you're right, in the case where they were loaded from a file, it would be nice if it were easier to find out what that file is. (It wouldn't help in the situation here, because you can't get to that dialog: R won't start at all if someone has messed up their Rconsole file sufficiently. If --vanilla prevented the Rconsole file from loading, again it wouldn't help, because the values would be defaults, not those from the file.)

Duncan Murdoch mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Mon Oct 30 01:55:40 2006

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