Re: [R] A question about "txtProgressBar" function

From: Berend Hasselman <bhh_at_xs4all.nl>
Date: Sat, 09 Apr 2011 00:26:33 -0700 (PDT)

Li, Yunfei wrote:
>
> Hi,
>
> I tried to add a progress bar to my script, but it seems the
> "txtProgressBar" function will wipe out what I want to print before it(for
> example - the "Hello" in following script), and the parameters "title" and
> "label" do not work either. How can I put a title for the progress bar? or
> is there any other better function I can use?
>
> testit <- function(total =20)
> {
> cat("Hello\n")
>
> # create progress bar
> pb <- txtProgressBar(min = 0, max = total, style =
> 3,title="ProgressBar1",label="ProgressBar2")
> for(i in 1:total){
> Sys.sleep(0.1)
> # update progress bar
> setTxtProgressBar(pb, i)
> }
> close(pb)
> }
> testit()
>

Are running your script in Mac OS X or Windows GUI?

?flush.console

Replace cat(...) with cat("Hello\n"); flush.console()

Berend

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