[R] error logging

[Gabor Grothendieck]

Try this:

logfile <- file("logfile")
open(logfile, "w")
sink(logfile, type = "message")
1/"a"  # generate an error


On Mon, Dec 28, 2009 at 11:11 PM, Nick Torenvliet
<nick.torenvliet at gmail.com> wrote:
> Yet another question...
>
> I'm wondering if there is a built in facility to log errors.   I've got this
> statement that gives me verbose DBI errors as they come up (to standard
> output), but I'd like to trap and log them to a file as I running about
> 3000000 sql statements through this particular piece of code and I'd like to
> keep the loop going and deal with all the errors once the bulk of it has
> been processed.
>
>        atmpt <- try(dbGetQuery(con,sql))
>        options(show.error.messages = TRUE)
>        if(inherits(atmpt, "try-error")){
>
>        }
>
> The R docs aren't structured in the way I'm used to(I will get the hang of
> it)... so I'm more than willing to ?theDesiredCommand at the R - prompt...
> if you'd lead me in the right direction.
>
> Thanks again!
>
> Nick
>
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>
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