| loadFromUrl {Resourcerer} | R Documentation |
Given an url, these functions download a file from a given web site and unzip the file if it is compressed.
loadFromUrl(srcUrl, destDir = "", verbose=FALSE)
validateUrl(srcUrl)
unzipFile(fileName, where = file.path(.path.package("Resourcerer"),
"temp"), isgz = FALSE)
srcUrl |
srcUrl a character string for the url of the file
to be downloaded |
destDir |
destDir a character string for a loacal
directory where the file to be downloaded will be saved |
where |
where same as destDir |
isgz |
isga a boolean indicating whether the downloaded
file is a gz file |
fileName |
fileName a character string for the name of a
file |
verbose |
A booline indicating whether to print extra information. |
These functions used to be part of the AnnBuilder package which was replaced by AnnotationDbi.If the file is compressed, decompressing will be applied and the path for the decompressed file will be returned.
validateUrl will terminate the process if an invalid url
is passed.
unzipFile decompress the file passed as fileName.
loadFromUrl returns a character string for the name of
the file saved locally.
Jianhua Zhang
## Not run:
# Get a dummy data file from Bioconductor web site
data <-
loadFromUrl("http://www.bioconductor.org/datafiles/wwwsources/Tll_tmpl.gz",
destDir = "")
unlink(data)
## End(Not run)