Something like this which displays the warnings and also writes
them to out so that they are captured:
out <- capture.output(
withCallingHandlers({
print(1)
warning("A warning.")
print(2)
warning("Another warning.")
print(3)
}, warning = function(x) cat(x$message, "\n"))
)
print(out)
On 8/29/06, hadley wickham <[EMAIL PROTECTED]> wrote:
> Is there any way to include warnings in the output from capture.output? eg:
>
> a <- capture.output(warning("test"))
> all.equal(a, "Warning message: \n test ")
>
> Conceptually, this seems like redirecting stderr to stdout, or somehow
> changing warning to simple print it's output. I've had a look at
> tryCatch and using a warning handler, but this terminates execution at
> the warning.
>
> Thanks,
>
> Hadley
>
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