Identify all duplicates in a given directory and output a summary
rdfind -dryrun true path/to/directoryReplace all duplicates with hardlinks
rdfind -makehardlinks true path/to/directoryReplace all duplicates with symlinks/soft links
rdfind -makesymlinks true path/to/directoryDelete all duplicates and do not ignore empty files
rdfind -deleteduplicates true -ignoreempty false path/to/directory