[Rd] default destfile in download.file()

[Uwe Ligges]

On 18.02.2016 12:01, Jeroen Ooms wrote:
> A nice default value for the `destfile` argument in download.file() would
> be `basename(url)` i.e. the name of the downloaded file. This would
> correspond to default behavior in many other web/ftp clients and makes code
> slightly more concise:
>
>    download.file("https://svn.r-project.org/R/trunk/doc/CRAN_mirrors.csv")
>    mirrors <- read.csv("CRAN_mirrors.csv")

This contradicts our approach not to overwrite files in the user 
filespace that are not explicitly mentioned as an argument.

Best,
Uwe Ligges


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