checkMD5sums Check and Create MD5 Checksum Files
 Description
checkMD5sums checks the files against a file ‘MD5’. 
Usage
checkMD5sums(package, dir)
Arguments
| package | the name of an installed package | 
| dir | the path to the top-level directory of an installed package. | 
Details
The file ‘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. 
Value
checkMD5sums returns a logical, NA if there is no ‘MD5’ file to be checked. 
See Also
    Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.