[Rd] calling browser on error

Joshua Ulrich josh.m.ulrich at gmail.com
Fri Oct 15 20:31:24 CEST 2010

I believe options(error=recover) will do what you want.

Joshua Ulrich  |  FOSS Trading: www.fosstrading.com

On Fri, Oct 15, 2010 at 1:27 PM, Vadim Ogranovich
<vogranovich at jumptrading.com> wrote:
> Dear R-developers,
> I am trying to figure out a way to call browser() when an error occur, and naturally I want the browser() to be called in the environment of the error.
> I tried something simple in vain:
>> f <- function() { x <- 1; stop('ok') }
>> tryCatch(f(), error=browser())
> Called from: tryCatch(f(), error = browser())
> ## if browser() was called in the local environment of f then 'x' would be set, but it's not
> Browse[1]> x
> Error: object 'x' not found
> Browse[1]> Q
> Is there a way to make it work? What do people do to 'set an on-error breakpoint'?
> Thanks,
> Vadim
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