[R-pkg-devel] robust download function in R (similar to wget)?

[Dirk Eddelbuettel]

On 25 August 2016 at 08:24, Joshua Ulrich wrote:
| Try downloader: https://cran.r-project.org/package=downloader

Also, if you really want wget / know how to parameterise wget you can
... just depend on _wget itself_ which you can

a) test for via Sys.which("wget")

b) select as an option for download.file() and hence all file access.

Dirk

| On Thu, Aug 25, 2016 at 7:47 AM, Lucas Ferreira Mation
| <lucasmation at gmail.com> wrote:
| > I am creating this package <https://github.com/lucasmation/microdadosBrasil>
| > that has to download data from some sources that are a bit
| > unstable/unreliable. The problem is described in this issue
| > <https://github.com/lucasmation/microdadosBrasil/issues/56>.
| >
| > Is there a more "robust" download fucntion in R?
| > Something similar to wget, that would:
| >
| > - where there are errors, repeat the download a few times before giving up,
| > preferably, using partial data on a file being downloaded from previous
| > attempts
| > - check the integrity of the downloaded file
| >
| > As this has to be embedded in an R package, the solution needs to be OS
| > independent and require no installation of external software by the user.
| >
| > regards
| > Lucas
| >
| >         [[alternative HTML version deleted]]
| >
| > ______________________________________________
| > R-package-devel at r-project.org mailing list
| > https://stat.ethz.ch/mailman/listinfo/r-package-devel
| 
| 
| 
| -- 
| Joshua Ulrich  |  about.me/joshuaulrich
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