[R] Line numbers with errors and warnings?

[Duncan Murdoch]

On 12-11-30 7:15 PM, Worik R wrote:
> How?
>
> This is a script I am running under ess on Emacs
>

I've never used ESS.  You'll need to ask someone on the ESS list.

Duncan Murdoch

> (Useful information optuion(error=recover)
>
> cheers
> Worik
>
>
> On Sat, Dec 1, 2012 at 12:34 PM, Duncan Murdoch
> <murdoch.duncan at gmail.com <mailto:murdoch.duncan at gmail.com>> wrote:
>
>     On 12-11-30 4:22 PM, Worik R wrote:
>
>         Is it possible to get a line number with an error report?
>
>
>     Yes, if the error occurs in code that has line number information.
>     You get line number info by default if you use source().  If the
>     error is deeply buried in code that doesn't have the info (as it may
>     be in your case), then the suggestions to use options(error=recover)
>     will offer you a stack trace that shows you which high level code
>     called the function reporting the problem.
>
>     Duncan Murdoch
>
>
>         I have a long script and an error:
>
>         Error in `[.xts`(x, xsubset) : subscript out of bounds
>
>
>         It would be very helpful, and save a lot of time, if there was some
>         indication in the error message which line the error was.
>
>         I can find it using binary search but that is a painful process.
>
>         cheers
>         Worik
>
>                  [[alternative HTML version deleted]]
>
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