cfv

cfv is a utility to both test and create .sfv, .csv and md5sum files. These
files are commonly used to ensure the correct retrieval or storage of data.

Features:
- supports .sfv, .csv(2, 3, and 4 field variants), md5sum, bsd md5
sha1sum, .torrent and (test-only) .par, .par2 file formats
- automatic checksum file naming ability in create mode
- recursive operation
- show unverified files option
- ignore case and fix path seperator options for cross platform use
- transparent gzip support for checksum files
- configurable renaming of bad files (with testing against previous bad
files, to save only unique differing copies)