checkMD5sums
checks the files against a file MD5
.checkMD5sums(package, dir)
checkMD5sums
returns a logical, NA
if there is no
MD5
file to be checked.MD5
which is created is in a format which can be
checked by md5sum -c MD5
if a suitable command-line version
of md5sum
is available. (For Windows, one is supplied in
the bundle at https://cran.r-project.org/bin/windows/Rtools.) If dir
is missing, an installed package of name package
is searched for. The private function tools:::.installMD5sums
is used to create
MD5
files in the Windows build.md5sum