rdfind

Find files with duplicate content and get rid of them. More information: https://rdfind.pauldreik.se.

• Identify all duplicates in a given directory and output a summary:

rdfind -dryrun true path/to/directory

• Replace all duplicates with hardlinks:

rdfind -makehardlinks true path/to/directory

• Replace all duplicates with symlinks/soft links:

rdfind -makesymlinks true path/to/directory

• Delete all duplicates and do not ignore empty files:

rdfind -deleteduplicates true -ignoreempty false path/to/directory