Concatenate strings to form a URL

Usage

pasteURL(..., protocol = c("none", "https", "http", "ftp", "rsync", "s3"))

Arguments

...: one or more R objects, to be converted to character vectors.
protocol: character(1). Desired protocol to use. Defaults to "https" but "http", "ftp", and "s3" (AWS S3) are also supported. Use "none" if you want to prepare a URL that already contains a protocol in the first element of the dots.

Value

character. URL path, containing forward slashes (/).

Note

Updated 2021-01-21.

Examples

## HTTPS
x <- pasteURL(
    "steinbaugh.com",
    "basejump",
    "reference",
    protocol = "https"
)
print(x)
#> [1] "https://steinbaugh.com/basejump/reference"

## FTP
x <- pasteURL(
    "ftp.ensembl.org",
    "pub",
    "release-94",
    "gtf",
    "homo_sapiens",
    "Homo_sapiens.GRCh38.94.gtf.gz",
    protocol = "ftp"
)
print(x)
#> [1] "ftp://ftp.ensembl.org/pub/release-94/gtf/homo_sapiens/Homo_sapiens.GRCh38.94.gtf.gz"