[R] debugging R

[Gabor Grothendieck]

On Sun, Feb 5, 2012 at 3:01 AM, Alaios <alaios at yahoo.com> wrote:
> Dear all,
> I am using browse() to debug my R applications. My problem is that I need a bit more control of the debugging process.
>
> For example 'I want R to stop at the 7th iteration and check. One can do think that I can put the browse inside an if statement but this limits by lot the flexibility one can have.
>

Its not clear what the flexibility limitation you have in mind is.
This seems similar with the small advantage that the debugging code is
confined to the browser statement itself:

> for(i in 1:10) { print(i); browser(expr = i==7) }
[1] 1
[1] 2
[1] 3
[1] 4
[1] 5
[1] 6
[1] 7
Called from: top level
Browse[1]>

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