sha_url {downloader} | R Documentation |
This will download a file and find a SHA-1 hash of it, using
digest()
. The primary purpose of this function is to provide
an easy way to find the value of sha
which can be passed to
source_url()
.
sha_url(url, cmd = TRUE)
url |
The URL of the file to find a hash of. |
cmd |
If |
## Not run: # Get the SHA hash of a file. It will print the text below and return # the hash as a string. This is a very long URL; break it up so it can be # seen more easily in the examples. test_url <- paste0("https://gist.github.com/wch/dae7c106ee99fe1fdfe7", "/raw/db0c9bfe0de85d15c60b0b9bf22403c0f5e1fb15/test.r") sha_url(test_url) # Command for sourcing the URL: # downloader::source_url("https://gist.github.com/wch/dae7c106ee99fe1fdfe7 # /raw/db0c9bfe0de85d15c60b0b9bf22403c0f5e1fb15/test.r", # sha="9b8ff5213e32a871d6cb95cce0bed35c53307f61") # [1] "9b8ff5213e32a871d6cb95cce0bed35c53307f61" ## End(Not run)