[R] browser() pre 3.1 behaviour

Duncan Murdoch murdoch.duncan at gmail.com
Wed Nov 23 21:29:59 CET 2016

On 23/11/2016 6:51 AM, Falk Hildebrand via R-help wrote:
> Dear R help list,I have been using the "browser()" function for a long time now to debug my function code. However, since 3.1 (I think) the behaviour has changed that browser() (or the debug interface) is being called also when a loop is being executed (copy pasted to the R interface).

This doesn't really parse for me.  Could you please post detailed 
instructions for what you're doing and describe what you're seeing?

Duncan Murdoch
>   So I have to cancel this browser or confirm each iteration of the loop. And this I believe also extends to various other calls. In the end I would like to set up my R to behave like it did in R <= 3.0. This has been so bothersome, that I was sticking with old R versions, but now some packages are no longer supported in these old versions.
> How to set up browser() to follow the old behaviour??
> I have been looking for some time now to find an answer to this on the internet, but was so far unsuccessful, I would be grateful for any help.best, Falk Hildebrand
> PS: I think this is the change that occured in 3.1:
> [R] R 3.1.0 is released
> |
> |   |
> [R] R 3.1.0 is released
>     |  |
>    |
>     * The behaviour of the code browser has been made more consistent,
>       in part following the suggestions in PR#14985.
>     * Calls to browser() are now consistent with calls to the browser
>       triggered by debug(), in that Enter will default to n rather than
>       c.
>     * A new browser command s has been added, to "step into" function
>       calls.
>     * A new browser command f has been added, to "finish" the current
>       loop or function.
>     * Within the browser, the command help will display a short list of
>       available commands.
> 	[[alternative HTML version deleted]]
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