[R-SIG-Mac] .Last( ) taking keyboard input hangs on command-Q

[Day, Roger S]

Thanks, Simon, for your reply.

This is reproducible with 2.11.1, both 32 and 64 bit.
With the following .Last, command-Q hangs, there's no exit except an external kill,
and .RData will not be saved.

Not a big problem if you're aware of the behavior;
otherwise, one might lose a few hours of work.
I don't expect a fix; this note is meant to prevent others
making the same mistake I made one day.

On the sunny side, if .Last writes something to a file,
it completes with no problem.

-Roger



> .Last
function() {
	answer = readline("How do you feel now?")
	return(answer)
}
> version
               _                            
platform       x86_64-apple-darwin9.8.0     
arch           x86_64                       
os             darwin9.8.0                  
system         x86_64, darwin9.8.0          
status                                      
major          2                            
minor          11.1                         
year           2010                         
month          05                           
day            31                           
svn rev        52157                        
language       R                            
version.string R version 2.11.1 (2010-05-31)



On Jun 1, 2010, at 12:45 PM, Simon Urbanek wrote:

> 
> On May 31, 2010, at 11:22 PM, Day, Roger S wrote:
> 
>> Dear Colleagues,
>> 
>> The recent change to R.app disabling q() and requiring command-Q or the equivalent
>> is well motivated.  However, it introduces a new problem for a user (like me) who
>> has a .Last() calling for user input, e.g. dialogs on choosing final actions to be taken.
> 
> Please use R 2.11.1 as this has been changed for some time and report if the issue still exists (with a reproducible example).
> 
> Thanks,
> Simon
> 
> 
>> After command-Q,
>> the console cannot accept keyboard input, and clicking on any of the buttons 
>> Don't Save, Save
>> does nothing.
>> Clicking Cancel works, but once you've clicked Don't Save or Save
>> clicking Cancel no longer does anything.
>> Then R.app has to be killed the ungracious way.
>> 
>> Thoughts?  Thanks.
>> ------------------------------
>> version
>>              _                            
>> platform       i386-apple-darwin9.8.0       
>> arch           i386                         
>> os             darwin9.8.0                  
>> system         i386, darwin9.8.0            
>> status                                      
>> major          2                            
>> minor          11.0                         
>> year           2010                         
>> month          04                           
>> day            22                           
>> svn rev        51801                        
>> language       R                            
>> version.string R version 2.11.0 (2010-04-22)
>> 
>> R.app GUI 1.33 (5582 Leopard build 32-bit
>> 
>> Roger Day
>> University of Pittsburgh Departments of Biomedical Informatics and  
>> Biostatistics
>> University of Pittsburgh Cancer Institute
>> University of Pittsburgh Molecular Medicine Institute
>> -----------------------------------------------------
>> Room 310, Suite 301
>> Cancer Pavilion (CNPAV)
>> 5150 Centre Ave.
>> Pittsburgh, PA 15232
>> e-mail:  day01 at pitt.edu
>> cell phone 412-609-3918
>> assistant:
>>   Lucy Cafeo:       (412) 623-2952
>> 
>> _______________________________________________
>> R-SIG-Mac mailing list
>> R-SIG-Mac at stat.math.ethz.ch
>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>> 
>> 
>