Hi Ivo,
I maintain 'package:this.path' that I believe does what you want. I
regularly add this to my own code when I need to:
warning(sprintf("remove this later at %s#%d",
this.path::try.this.path(), this.path::LINENO()), call. = FALSE,
immediate. = TRUE)
Of course, modify as needed.
Regards,
Iris
On Sat, Jan 18, 2025 at 6:41 PM Ivo Welch <ivo.we...@gmail.com> wrote:
>
> I often find myself hunting where in my program an error has happened,
> (of course, in R, many error messages are mysterious in themselves,
> too, making it even harder.) the way I do it is mostly with inserting
> `message()` statements.
>
> what I would really like to have is a parser that inserted 'curline
> <<- ##' into the R code, where '##' is the filename and line number.
> something like 'addtracker one.R two.R' and thereafter I can run two.R
> and, when the program dies, use `print curline` to find out where my
> error has roughly occurred.
>
> has someone already written such an 'instrumenter'?
>
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