[R] warning messages

[Gabor Grothendieck]

One small improvement, the cat can be eliminated:

f <- function() {
       x <- readline("c to continue, anything else to quit: ")
       if (x != "c") stop("User forced exit")
       # rest of function
}

f()



On 6/25/06, Gabor Grothendieck <ggrothendieck at gmail.com> wrote:
> Try this:
>
> f <- function() {
>        cat("c to continue, anything else to quit: ")
>        x <- readline()
>        if (x != "c") stop("User forced exit")
>        # rest of function
> }
>
> f()
>
> On 6/25/06, Matthew Bridgman <m.bridgman at sbcglobal.net> wrote:
> > I want to put warning messages into some of my functions to remind
> > myself to change the output file names each time I run them. Is there a
> > way to do this that will allow me to respond to the warning message
> > (i.e. "continue function" or "cancel")?
> >
> > Thanks,
> >   Matt
> >
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