Is it possible to get R to report the line number of an error when a script
is called with source()? I found the following post from 2009, but it's not
clear to me if this ever made it into the release version:

ws wrote:
>* Is there a way to have R return the line number in a script when it errors out?
*>*
*>* I call my script like:
*>*
*>* $ R --vanilla < script.R > output.txt
*>*
*>* I seem to remember a long discussion about this at some point, but I can't
*>* remember the outcome.
*>*
*>*
*
The current development version returns much more information about
error locations.  I don't know if it will handle this case (R doesn't
get told the filename in case of input redirection, for example).
Generally the goal is to report error lines during interactive use,
batch use is assumed to already be debugged.

Duncan Murdoch


Thanks.

- Elliot

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