[R] line numbers and file names in error messages

[Gabor Grothendieck]

On 4/15/05, Vivek Rao <rvivekrao at yahoo.com> wrote:
> Many of my R scripts call other R scripts using the
> source function. If there is a syntax error in one of
> the scripts, I get an error message such as
> 
> Error in parse(file, n, text, prompt) : syntax error
> on line 1
> 
> but the name of the file where the error occurs is not
> given. Other error messages such as
> 
> Error in print(xxx) : Object "xxx" not found
> 
> show neither the file name or the line number. Is
> there a way to get this information in error messages?
> I have found it helpful in other programming
> languages.

Perhaps at the end of each script you could add a print statement
to tell you it had successfully finished.