downloadFile.character

From R.utils v1.4.2 by Henrik Bengtsson
0th

Percentile

Downloads a file

Downloads a file.

Keywords
methods, file, programming
Usage
## S3 method for class 'character':
downloadFile(url, filename=basename(url), path=NULL, skip=TRUE, overwrite=!skip, ..., binary=TRUE, dropEmpty=TRUE, verbose=FALSE)
Arguments
url
A character string specifying the URL to be downloaded.
filename, path
(optional) character strings specifying the local filename and the path of the downloaded file.
skip
If TRUE, an already downloaded file is skipped.
overwrite
If TRUE, an already downloaded file is overwritten, otherwise an error is thrown.
...
Additional arguments passed to download.file.
binary
If TRUE, the file is downloaded exactly "as is", that is, byte by byte (strongly recommended).
dropEmpty
If TRUE and the downloaded file is empty, the file is ignored and NULL is returned.
verbose
A logical, integer, or a Verbose object.
Value

  • Returns the local pathname to the downloaded filename, or NULL if no file was downloaded.

See Also

Internally download.file is used. That function may generate an empty file if the URL is not available.

Aliases
  • downloadFile.character
  • downloadFile.character
Examples
pathname <- downloadFile("http://www.r-project.org/index.html", path="www.r-project.org/")
 print(pathname)
Documentation reproduced from package R.utils, version 1.4.2, License: LGPL (>= 2.1)

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API documentation
R package
Rdocumentation.org

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