[R] aborting the execution of a script...

Duncan Murdoch murdoch@dunc@n @end|ng |rom gm@||@com
Wed Apr 12 14:16:17 CEST 2023

This is what I get:

 > source("~/temp/test.R", echo = TRUE)

 > print(1)
[1] 1

 > stop("here")
Error in eval(ei, envir) : here

I get similar output in every variation I tried.  It never prints the 2.

On 12/04/2023 8:13 a.m., akshay kulkarni wrote:
> Dear Duncan,
>                           What if I use source() with echo? I am using 
> that in RStudio.
> THanking you,
> Yours sincerely
> ------------------------------------------------------------------------
> *From:* Duncan Murdoch <murdoch.duncan using gmail.com>
> *Sent:* Wednesday, April 12, 2023 5:35 PM
> *To:* akshay kulkarni <akshay_e4 using hotmail.com>; R help Mailing list 
> <r-help using r-project.org>
> *Subject:* Re: [R] aborting the execution of a script...
> On 12/04/2023 7:03 a.m., akshay kulkarni wrote:
>> Dear members,
>>                              I have a script which I source it interactively. I have the following questions:
>>    1.  If there is an error in an expression, an error message is printed, but the execution continues till the end of the script. I am sourcing with echo. Is there any way to abort the execution when the first error occurs? This happens with R CMD BATCH.  If there is an error midway, an error message is printed in the output 
> file and the execution aborts. Is there a way to mimic this with source()?
>>    2.  I am trying to abort the execution with ESC key, but again the same thing happens: it aborts the current expression but continues on. How to abort an R script with source()? I am using RStudio in windows.
> I don't see this behaviour.  If I put this in a script:
>    print(1)
>    stop("here")
>    print(2)
> then execution stops at the "stop" line if I use source(), or R CMD
> BATCH <file>, or in RStudio, Run or Source gives the same behaviour.  I
> think older versions of RStudio would have run all three lines using
> Run, but all the other methods have stopped at the stop() line.
> Duncan Murdoch

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