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Add to SafariWhen comparing Hashdeep vs cfv, the Slant community recommends Hashdeep for most people. In the question“What are the best file integrity checkers?” Hashdeep is ranked 3rd while cfv is ranked 16th. The most important reason people chose Hashdeep is:
Piecewise mode. It breaks files into chunks before hashing.
Specs
Question Ranking
Pros
Pro Piecewise mode
Piecewise mode. It breaks files into chunks before hashing.
Pro Recursive operations
To get hash values of a directory and output results to a file:
hashdeep -r directory_name/ > hash.txtTo check files against saved has values (audit):
hashdeep -r -a -k hash.txt directory_namePro Multiple checksum algorithms
Support for MD5, SHA-1, SHA-256, Tiger, and Whirlpool hashes.
Pro Cross-platform
A pre-built version for Windows is available. For macOS, Linux and BSD versions, built by 3rd parties are available.
Pro Can give time estimate
-e attribute will show ETA.
Pro Transparent gzip support
Will access .gz files as gzipped. Can create gzipped files.
Pro Renaming of bad files
-n will rename bad files based on --renameformat.
Pro Progress bar
Cfv shows a progress bar when working so you know that the process is actually taking place.
Pro Cross-platform
Runs on all systems Python supports. It has been verified to work on Linux, FreeBSD, OpenBSD, NetBSD, Solaris, OS X, and Windows.
Pro Recursive operations
cfv offers 2 recursive modes: -r will make separate chksum files for each dir and -rr will create a single file.
Cons
