file.name.from.url: Extract the file name from some URL

In installr: Using R to Install Stuff on Windows OS (Such As: R, 'Rtools', 'RStudio', 'Git', and More!)

Extract the file name from some URL

Description

Gets a character of link to some file, and returns the name of the file in this link.

Usage

file.name.from.url(URL, rm.params = FALSE)

Arguments

URL	Some url to a file.
rm.params	(optional, default=FALSE). Whether or not to remove query parameters from URL.

Details

The install.packages.zip must use this function, since it is crucial that the name of the file into which the ZIPPED package is downloaded to the computer, will have the same name as the file which is online.

Value

The name of the file in the URL

See Also

install.URL, install.packages.zip

Examples

## Not run: 
url <- "https://cran.r-project.org/bin/windows/base/R-2.15.3-win.exe"
file.name.from.url(url) # returns: "R-2.15.3-win.exe"

url <- "https://bioconductor.org/packages/R/genetics?version=5.01&f=gz"
file.name.from.url(url, rm.params=TRUE)  # returns: "genetics?version=5.01&f=gz"
file.name.from.url(url, rm.params=FALSE) # returns: "genetics"
file.name.from.url(url)                  # returns: "genetics"

## End(Not run)

installr documentation built on Nov. 13, 2022, 1:06 a.m.