Hi there,
I am using R 2.15.2 under Win7 64. I hope to display progress bar when I
am running a loop. After the loop exit, the cursor is at the right
margin of the window. How can I make it to the left margin?
Here is the minimal example code.
combn.bar <- function(n, m) {
n <- choose(n, m)
pb <- txtProgressBar(1,n,style = 3)
for (i in 1:n) {
Sys.sleep(0.1)
setTxtProgressBar(pb, i)
}
close(pb)
}
combn.bar(6,3)
I try to move the cursor to the left margin using cat("\r"). However,
after that, I can not move the cursor to left if I try to edit a history
command.
It seems a problem that only related with Rgui. I try the above example
in Rterm, it works well.
Any help will be really appreciated.
Regards,
Jinsong
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