[R] RGui: windows-record and command history
phgrosjean at sciviews.org
Thu Mar 23 15:06:53 CET 2006
Duncan Murdoch wrote:
> On 3/23/2006 7:35 AM, Thomas Steiner wrote:
>>a) How can I set the recording of all windows()-history forever to
>>"true"? I want something like windows(record = TRUE) but not just for
>>the window that opens then, but for all windows I will open ever.
> will make that happen for the rest of the session. To really make it
> happen forever, you need to put this line in your Rprofile (see
> ?Rprofile for where that comes from).
> Watch out though: the graphics history is stored in your current
> workspace in memory, and it can get big. You might find you're running
> out of memory if you store everything, and you'll find your .RData files
> quite large if you save your workspace.
And also, remember that a single graph history is shared by the various
graph windows. This may lead to unexpected results in you work with
several devices at once.
> On my todo list (but not for 2.3.0) is the possibility of setting a
> default history length, perhaps defaulting to saving the last 2 or 3
That would be really great!
>>b) Scrolling up in RGui (windows 2000) to see past commands is nice,
>>but: Is it possible to type eg "wi" and the "arrow up" and see the
>>last command that started with "wi" (like windows()). I know this
>>feature from Matlab (Uops, one of the forbidden words here? ;) ) and
>>it's nice to have it.
> We have things like that on platforms that use the readline library for
> input, but Rgui doesn't. It would be nice, but it's a fair bit of work
> to implement properly and it's not on my todo list.
> Duncan Murdoch
> R-help at stat.math.ethz.ch mailing list
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
More information about the R-help