This is a Python tool for crawling directories to find and list any files identical by MD5 hash, regardless of filename.
Source is available from GitHub and the package is available on pip.
pip install file-hash-scraper
Or user install
pip install --user file-hash-scraper
Or install from GitHub clone.
git clone https://github.com/eroberson/file_hash_scraper.git
git checkout vN.N.N # Choose highest version tag instead of vN.N.N
pip install .
file_hash_scraper --dir d1 --dir d2 --dir d3 --dir d4 > identical_files.txt
file_hash_scraper --dir d1 --loglevel DEBUG 1>identical_files.txt 2>log
file_hash_scraper --dir d1 --readbuffer 4096 > identical_files.txt