[R] Clearing Console; of weeks of codes!
p.pagel at wzw.tum.de
Thu Apr 14 10:23:36 CEST 2011
> I do see I have weeks of codes in my console when I check with my arrow up
> keys. I have been clearing them with Control L but it seems to clear it
> clear the screen temporally.
CTRL-L simply clears the screen and not the history.
> I do see the previous codes again when I open R
> the next day, after quitting the session!
> How do I clear this?
What you are seeing is the R history which is stored in the file
.Rhistory in the current working directory when the session is closed
or savehistory() is used. Deleting that file before starting R will
"clear" the history. I am not sure you can clear the history of a
running R session. Deleting the file will not work while the session
is open because the history is in memory at that time and I am not
aware of a command to manipulate the current history.
The environment variable R_HISTSIZE can be used to control the size
of the history.
see ?history for details.
Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
85354 Freising, Germany
More information about the R-help