Write the file checksum to a checksum file having the same filename with suffix .md5 added.
# S3 method for GenericDataFile
writeChecksum(this, ..., skip=FALSE)Returns (invisibly) the pathname to the checksum file. An exception is thrown if the file does not exist.
If TRUE, an already written checksum file is skipped.
Not used.
Henrik Bengtsson
*validateChecksum().
*compareChecksum().
*readChecksum().
*getChecksum().
For more information see GenericDataFile.