Hi
you are right. From ?scan default value for imput value is double, so you
need to specify that it shall be character. I just showed possible
solution not a solution which can be used in all imaginable cases.
Regards
Petr
r-help-boun...@r-project.org napsal dne 07.08.2010 05:20:56:
> I'm having problems with your method Petr. I seem to get an additional
prompt.
>
> Example...
> f <- function() {
> cat("\n", "Enter a string:", "\n")
> s <- scan(n=1)
> cat("\n", "You entered", s, "\n")
> }
>
> Running f() produces...
>
> Enter a string:
> 1: blah
> 1:
> Error in scan(file, what, nmax, sep, dec, quote, skip, nlines,
na.strings, :
> scan() expected 'a real', got 'blah'
> >
>
> Changing the code to
> scan(n=1, what="character")
> Fixes the problem but your post implies that this is not necessary.
>
> Could it be GUI specific ? I am running R 2.11.1 with the Mac OSX GUI
> 1.34 Leopard build 64-bit (5589)
>
> Michael
>
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