> Am 28.10.2017 um 01:54 schrieb Frank Cox <theatre at sasktel.net>: > > On Sat, 28 Oct 2017 00:47:32 +0200 > Leon Fauster wrote: > >> source: >> >> find . -type f -exec md5sum \{\} \; > checksum.list >> >> destination: >> >> md5sum -c checksum.list > > Wouldn't diff be faster because it doesn't have to read to the end of every file and > it isn't really calculating anything? Or am I looking at this in the wrong way. Fast was not communicated as requirement, albeit md5 algo works by design "fast" and it was asked to "to compare file hashes". Nevertheless I also use diff to compare. It depends on your needs ... -- LF