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

akshay kulkarni @k@h@y_e4 @end|ng |rom hotm@||@com
Wed Apr 12 14:13:30 CEST 2023

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:


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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