pretty neat yeah, it even works on windows so you can choco install hashdeep

Get the hashes

  • apt-get install hashdeep
  • cd /home/user/folder
  • hashdeep -l -e -r . > output.txt

compare the hashes

  • hashdeep -r -a -k output.txt .

more info https://linhost.info/2010/05/using-hashdeep-to-ensure-data-integrity/