[R] choose folder interactively

[jim holtman]

A simple way is to use 'choose.file' to select a file in the directory
that you want and then use 'dirname' to strip off the file name:

> dirname('a/b/c')
[1] "a/b"



On Wed, Nov 28, 2012 at 7:59 AM, Ivan Calandra
<ivan.calandra at u-bourgogne.fr> wrote:
> Thank you Duncan for your answer
>
> I would like to be able to write an equivalent for MacOS, but I'm not that
> skilled... I don't know how to find how choose.dir() is written. And then,
> I'm even less sure to be able to find the equivalent...
>
> Would you mind giving my some hints?
>
> Thank you in advance
> Ivan
>
> --
> Ivan CALANDRA
> Université de Bourgogne
> UMR CNRS/uB 6282 Biogéosciences
> 6 Boulevard Gabriel
> 21000 Dijon, FRANCE
> +33(0)3.80.39.63.06
> ivan.calandra at u-bourgogne.fr
> http://biogeosciences.u-bourgogne.fr/calandra
>
> Le 28/11/12 13:47, Duncan Murdoch a écrit :
>>
>> On 12-11-28 7:39 AM, Ivan Calandra wrote:
>>>
>>> Dear users,
>>>
>>> I am looking for a function to choose a folder interactively, just like
>>> file.choose() but for a folder.
>>>
>>> I have found tcltk::tk_choose.dir() but R hangs when I try to do
>>> anything and I have to force exit.
>>> I've tried to reinstall tcltk with install.packages(), but "package
>>> ‘tcltk’ is not available (for R version 2.15.2)" even though it's
>>> already installed on my computer (it comes with 'base', doesn't it?).
>>>
>>>   From a Google Search, I have also found choose.dir(), but it looks like
>>> this function doesn't exist anymore since ages.
>>>
>>> Any idea?
>>
>>
>> "choose.dir()" does exist on Windows, so you could switch to that OS, or
>> write your own equivalent for MacOS.
>>
>> Duncan Murdoch
>>
>>
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.



-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.