Ranked in these QuestionsQuestion Ranking
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.
Runs on all systems Python supports. It has been verified to work on Linux, FreeBSD, OpenBSD, NetBSD, Solaris, OS X, and Windows.
Pro Progress bar
Cfv shows a progress bar when working so you know that the process is actually taking place.
Pro Recursive operations
cfv offers 2 recursive modes: -r will make separate chksum files for each dir and -rr will create a single file.