[R] content of global environment with dump.frames()

R. Michael Weylandt michael.weylandt at gmail.com
Thu Nov 24 19:02:36 CET 2011


Are perhaps you looking for options(error = recover)?

Michael

On Thu, Nov 24, 2011 at 12:52 PM, Jannis <bt_jannis at yahoo.de> wrote:
> Dear R users,
>
>
> I am using dump.frames() to investigate the content of the different environments in cases of errors or during certain steps of a non interactive calculation. I am, however, wondering about how to see the content of the global environment at the moment that dump.fames() was invoked. Her is some test piece (careful about the rm(list=ls(), remove the # if you know what you are doing to easier see the effect):
>
> # rm(list=ls())
> a=2
> test = function() {
>   b=3
>   dump.frames(dumpto='test', to.file = TRUE )
> }
> test()
> # rm(list=ls())
> load('test.rda')
> debugger(test)
>
> I can now investigate the value of 'b' but could not figure out a way to get the value of 'a'. Am I missing something or is dump.frames only intended to be uses with
>
>
> options(error=dump.frames)
>
>
> ? Most probably some modification of save() would be more apropriate to use in my case but I could not (yet) figure out how to mimic the convenient behaviour of dump.frames() to save the whole call stack.
>
>
>
>
> Thanks for any advice
> Jannis
>
>
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