On Nov 8, 2007 1:26 PM, Barry Rowlingson <[EMAIL PROTECTED]> wrote:
> hadley wickham wrote:
>
> > You're assuming an automatic cast from numbers into strings? What if
> > a + "4" threw an error?
>
> What's wrong with commas anyway when using cat():
>
> > cat("x is ",x,' and y is ',y,'\n',sep='')
> x is 1 and y is 2
>
> and there's always sprintf() for those moments when you want neat
> formatting.
>
> Is it just me who thinks it's odd that in a language that is umpteen
> years old we are still discussing the fundamentals of what essentially
> makes up the 'hello world' example?
The gsubfn package lets you do quasi-perl style
interpolation on the arguments of a function by
prefacing the function with fn$ like this:
library(gsubfn)
fn$cat("pi = $pi, e = `exp(1)`\n")
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