Gad Abraham wrote:
Prof Brian Ripley wrote:
A patch to do this was posted on 2007-09-29 by Glenn Davis. Some
people not addicted to Matlab find the behaviour very inconvenient
and prefer the getline/readline behaviour (triggered by ^R/^S) of
Rterm and R on Unixen.
Now that you've mentioned readline, it doesn't behave exactly the same
in Bash and R: if you press ctrl-r and then ctrl-c in Bash, it breaks
the search and you go back to the prompt as normal. In R on Linux (all
versions I've tried, 2.2 to 2.7.1), doing that returns you to the
prompt but you can't type anything, and the input buffer retains the
text from the search, so pressing enter makes the historical command
run again.
Try this:
> ls()
character(0)
[ctrl-r]
(reverse-i-search)`l': ls()
[ctrl-c, then enter]
> ls()
character(0)
Not quite true that you can't type anything. What happens (for me) is
that you are still in reverse-i-search, so you can get this effect from
"^R l ^C d".
>
(reverse-i-search)`l': ls()
(reverse-i-search)`l': ls()
>
(reverse-i-search)`l': ls()
(reverse-i-search)`ld': levels(ftpain3) <-
list(none="none",intermediate=c("mild","medium"),severe="severe")
It snaps out of it if you press ^C twice.
--
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c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
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