[CentOS] Comparing directories recursively

On October 27, 2017 5:35:59 PM EDT, Frank Cox <theatre at sasktel.net> wrote:
>On Fri, 27 Oct 2017 17:27:22 -0400
>H wrote:
>
>> What is the best tool to compare file hashes in two different
>> drives/directories such as after copying a large number of files from
>one
>> drive to another? I used cp -au to copy directories, not rsync, since
>it is
>> between local disks.
>
>diff --brief -r dir1/ dir2/
>
>might do what you need.
>
>If you also want to see differences for files that may not exist in
>either directory:
>
>diff --brief -Nr dir1/ dir2/
>
>-- 
>MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com
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Great, used as suggested!