checkMD5sums {tools}R Documentation

Check and Create MD5 Checksum Files


checkMD5sums checks the files against a file MD5.


checkMD5sums(pkg, dir)


pkg the name of an installed package
dir the path to the top-level directory of an installed package.


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. (One is supplied in the bundle at

If dir is missing, an installed package of name pkg is searched for.

The private function tools:::.installMD5sums is used to create MD5 files in the Windows build.


checkMD5sums returns a logical, NA if there is no MD5 file to be checked.

See Also


[Package tools version 2.2.1 Index]