download_file: Downloading Files From Password Protected Directories
In renozao/repotools: Tools for R Package Repositories

Downloads files using a custom curl binary that uses RCurl and is able to download files from password protected directories.

with_rcurl executes an expression with the custom curl binary setup as the default download method.

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download_file(url, destfile, ...)

with_rcurl(expr, verbose = FALSE)

`url`	A character string naming the URL of a resource to be downloaded.
`destfile`	A character string with the name where the downloaded file is saved. Tilde-expansion is performed.
`...`	arguments passed to `download.file`.
`expr`	an expression
`verbose`	logical that forces downloads to be shown (progress bar). This parameter is used to overides any hard coded value for the `quiet` argument in sub-sequent calls to `download.file`.