[Rd] dir.exists returns FALSE on Symlink directory

[Serguei Sokol]

Le 26/06/2023 à 17:17, Serguei Sokol a écrit :
> Le 26/06/2023 à 16:26, Dipterix Wang a écrit :
>> I hope I'm not asking a stupid question...
> Many think that there is no such thing as "stupid question". However, 
> this one looks more appropriate for r-help list, does not it?
>
>>   If I symlink a directory, is symlink considered as directory in R? 
>> If so, why `dir.exists` returns FALSE on directory?
>>
>> I understand symlink is essentially a file, but functionally a 
>> symlink to directory is no different to the directory itself, but a 
>> directory is also essentially a file.
>>
>> Is there any way that allow me to check if a symlink is linked to 
>> directory in base R, like `dir.exists(..., symlink_ok = TRUE)`?
> What about :
>
> dir.exists(Sys.readlink("your_link"))
Or even better:

file_test("-d", "your_real_dir_or_simlink_to_dir")

which returns TRUE for both a real dir and a simlink to a dir.

Best,
Serguei.

>
> ?
>
> Best,
> Serguei.
>
>>
>> Thanks,
>> Dipterix
>> ______________________________________________
>> R-devel using r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>
>


-- 
Serguei Sokol
Ingenieur de recherche INRAE

Cellule Mathématiques
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