Thanks Duncan for being a bulldog on this issue. Finding bugs like this take
energy and tenacity.
JN
On 2025-01-21 11:40, Duncan Murdoch wrote:
And now I've found the elusive bug in show.error.locations = TRUE as well, and
posted a patch for that too.
Back to the original topic of this thread
And now I've found the elusive bug in show.error.locations = TRUE as
well, and posted a patch for that too.
Back to the original topic of this thread: I think most users should
routinely use
options(show.error.locations = TRUE)
e.g. in their .Rprofile.
That will often speed up bug fixes,
I've posted a patch to bugs.r-project.org that fixes the traceback()
issue. It's not specific to findFun3; you get the same problem with
errors from expressions like
1 + "a"
In my testing, I occasionally saw cases where show.error.locations =
TRUE didn't work. I'll try to track down a repr
Sorry, I'm not seeing the first problem now:
options(show.error.locations = TRUE) works fine. Not sure what I did
wrong before.
I'm still seeing `traceback()` failing to report the attempt to call
nofunction(). I suppose this is because a context is never set up for
the failed call. Perhap
gmail.com; 'Ivo Welch' ;
luke-tier...@uiowa.edu
Cc: r-help@r-project.org
Subject: Re: [R] [External] Re: Parser For Line Number Tracing
Avi,
Yes, R (really S) was not designed for novice users but rather for experts. For
better or worse it has evolved into a programming language used by
)
Baltimore, MD 21201-1524
Cell phone 443-418-5382
From: R-help on behalf of avi.e.gr...@gmail.com
Sent: Sunday, January 19, 2025 3:31 PM
To: 'Ivo Welch'; luke-tier...@uiowa.edu
Cc: r-help@r-project.org
Subject: Re: [R] [External] Re: Parser For L
Thanks for pointing out the options. Using
options(show.error.locations = TRUE)
works on Ivo's example, but it doesn't show a location if the error
happens in a function that doesn't have srcrefs, because the known
location isn't on the top of the stack.
Perhaps TRUE (and maybe "top"?) s
to write you a snippet of code that may work and learn next to nothing you can
use to do more.
-Original Message-
From: R-help On Behalf Of Ivo Welch
Sent: Sunday, January 19, 2025 12:01 PM
To: luke-tier...@uiowa.edu
Cc: r-help@r-project.org
Subject: Re: [R] [External] Re: Parser For
025 11:46 AM
To: Ivo Welch
Cc: r-help@r-project.org
Subject: Re: [R] [External] Re: Parser For Line Number Tracing
On Sun, 19 Jan 2025, Ivo Welch wrote:
> Hi Duncan — Wonderful. Thank you. Bug or no bug, I think it would be
> a huge improvement for user-friendliness if R printed the l
understood.
but, please, consider not people like me but unwary beginners and
students of R. I have used R now for decades, and even I am baffled
by it. Couldn't you make R code easier to debug not only for people
like me (who can indeed tweak their environments) but also for novice
users?
On S
On Sun, 19 Jan 2025, Ivo Welch wrote:
Hi Duncan — Wonderful. Thank you. Bug or no bug, I think it would be
a huge improvement for user-friendliness if R printed the last line by
default *every time* a script dies. Most computer languages do so.
Should I file it as a request for improvement t
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