[CentOS] Comparing directories recursively

Mon Oct 30 10:26:54 UTC 2017
Tony Mountifield <tony at softins.co.uk>

In article <20171027175431.e265479c4f9b4658fe2179bf at sasktel.net>,
Frank Cox <theatre at sasktel.net> wrote:
> 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.

If the files are the same (which is what the OP is hoping), then diff does
indeed have to read to the end of both files to be certain of this. Only
if they differ can it stop reading the files as soon as a difference
between them is found.

Tony Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org