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

[Duncan Murdoch]

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