[R] 'options=utils::recover' not working in .Rprofile or within R

[David Winsemius]

On May 31, 2009, at 12:22 AM, Duncan Murdoch wrote:

> David Winsemius wrote:
>> You are wiping out all of the default options with that approach.
>>
>>
> Actually, I think it hid the options() function.

Since I was doing this at the RGui and became concerned that it  
appeared I no longer had any options, I restarted.  Could I have saved  
time by just executing rm(options)?

>
>> Try (after restarting R to get the other options back to what they   
>> should be):
>>
>> op=options()                   # so you can reset back to baseline
>> options(error=utils::recover)  # do not think the "utils::" is needed
>>
>
> Not if you run it in the console, but it is needed in .Rprofile.

Because it might be executed before the loading of the default packages?

-- 
David
>  Saving the old option could be done as
>
> olderror <- options(error=utils::recover)
>
> Duncan Murdoch
>>  my.func <- function(x){
>>   y <- x + 12
>>   nonsense
>>   y
>>   }
>>
>>  my.func(14)
>> Error in my.func(14) : object "nonsense" not found
>>
>> Enter a frame number, or 0 to exit
>>
>> 1: my.func(14)
>>
>> Selection:
>>
>>
>>
>> On May 30, 2009, at 10:24 PM, Mark Kimpel wrote:
>>
>>
>>> Duncan,
>>>
>>> I've pared down my .Rprofile so that it has just the options  
>>> line,  started R
>>> from terminal (instead of using ESS-emacs) and I still have the   
>>> problem. Am
>>> I specifying the options incorrectly? I believe I took this  
>>> directly  from
>>> the help page.
>>>
>>
>> Not what the examples look like on my machine.
>>
>>
>>> See my output of .Rprofile, the code example that doesn't
>>> work as we think it ought, and my sessionInfo().  Thanks, Mark
>>>
>>> Type 'demo()' for some demos, 'help()' for on-line help, or
>>> 'help.start()' for an HTML browser interface to help.
>>> Type 'q()' to quit R.
>>>
>>>
>>>> read.table("~/.Rprofile")
>>>>
>>>                     V1
>>> 1 options=utils::recover
>>>
>>>> my.func <- function(x){
>>>>
>>> + y <- x + 12
>>> + nonsense
>>> + y
>>> + }
>>>
>>>> my.func(14)
>>>>
>>> Error in my.func(14) : object 'nonsense' not found
>>>
>>>> sessionInfo()
>>>>
>>> R version 2.9.0 (2009-04-17)
>>> x86_64-unknown-linux-gnu
>>>
>>> locale:
>>> LC_CTYPE = en_US .UTF -8 ;LC_NUMERIC = C ;LC_TIME = en_US .UTF  
>>> -8 ;LC_COLLATE = en_US .UTF -8 ;LC_MONETARY = C ;LC_MESSAGES =  
>>> en_US .UTF -8 ;LC_PAPER = en_US .UTF -8 ;LC_NAME = C ;LC_ADDRESS  
>>> =C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C
>>>
>>> attached base packages:
>>> [1] stats     graphics  grDevices utils     datasets  methods   base
>>>
>>
>> David Winsemius, MD
>> Heritage Laboratories
>> West Hartford, CT
>>
>

David Winsemius, MD
Heritage Laboratories
West Hartford, CT