Kengo Sawatsu

Hi All. I am a programmer of post-production L'espace Vision in japan. http://www.lespace.co.jp/en/ The theme of this thread is very interesting for me. I am developing a simple checksum copy software. rsync can be traditional and reliable, and some problems, it does not have the most recent checksum algorithm, such as xxhash. SilverStack is a great software that is reliable, but it is expensive. I thought that it should make a simple and general-purpose and inexpensive verify checksum copy software. Do you know the FastCopy checksum copy software that are trusted for over 10 years on Windows? I was ported to Mac by improving the FastCopy. The name of the software is RapidCopy. This is RapidCopy Features: - High-speed diff file copy by update date or filesize. - Stable copy (Ignore minor error). - Checksum verify copy. - Generate Log file (includes checksum). - "LTFS" (Linear Tape File System) read / write support. - Sync (like rsync), Move, Delete ... Various copy mode. - Classic look and feel, Usage is same as great original FastCopy. - Source and Destination verify check (Verify only mode) support. - Various checksum algorithm (xxHash, MD5, SHA-1 ....). - etc ... RapidCopy sells at roughly $ 10 in MacAppStore. https://itunes.apple.com/us/app/rapidcopy/id975974524 There is also a more features in Pro version. My company provided, as possible we can, a Pro version that sells with $25 at amazon.com For technical details there is also English documentation. Please see if you are interested. http://www.lespace.co.jp/file_bl/rapidcopy/manual/index_en.html Now, I develop copybatch function and csv output function. I want feedback from overseas. Twitter:https://twitter.com/KengoSawa2 E-Mail:sawatsu@lespace.co.jp Regards