[R] Re-execute previous command

[David Winsemius]

On Feb 9, 2010, at 12:13 PM, David Winsemius wrote:

>
> On Feb 9, 2010, at 11:21 AM, mnstn wrote:
>
>>
>> Hello All,
>> In bash, to re-execute a command, say,  'gnuplot plot.gnu', one can  
>> type
>> !gnu. Is there a similar feature in the R console? For example:
>> plot(g1$mean,g2$mean)
>
> In most system typeing <up-arrow> will prompt the console to echo  
> the last command (and repeating the process will scroll back through  
> "history".)
>
> There is also a .Last.value object but I don't know if it will  
> "replot".

It will if the plotting function returned a value as do the lattice  
and ggplot functions, but not if it returns NULL as do the base  
graphics functions.
>
> -- 
> David.
>> .
>> .
>> .
>> Lines, many lines of commands
>> ->Here I want to repeat the previous plot command.
>> !plot and plot(+TAB) do not work.
>>
>> This question was asked in this forum back in 2006 but the answer  
>> seems to
>> have been lost somewhere in their discussions. This is the thread
>> http://n4.nabble.com/R-command-line-need-intelligent-command-history-recall-td793072.html#a793075
>> . Can some one comment if there is a way to do it?
>>
>> Thank you,
>> MoonStone
>> -- 
>> View this message in context: http://n4.nabble.com/Re-execute-previous-command-tp1474629p1474629.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
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>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
> David Winsemius, MD
> Heritage Laboratories
> West Hartford, CT
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
Heritage Laboratories
West Hartford, CT