On 20 September 2016 at 10:33, Ahmad Samir <ahmadsamir3891@xxxxxxxxx> wrote:
> On 20 September 2016 at 01:23, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote:
>> Drives A and B have many overlapping files but I want to find out what
>> files don't exist on each. Thwarting this is directory structure
>> differs between the two drives, and I'm fairly certain some of the
>> file names differ on the two drives also.
>>
>> Therefore I need something hash based. I started with this:
>>
>>
>> $ find /brickA -type f -exec md5sum "{}" + > brickA.txt
>> $ find /brickB -type f -exec md5sum "{}" + > brickB.txt
>>
>
> Here's a crude way:
> $ find /brickA -type f -exec md5sum "{}" + | sort > brickA.txt
> $ find /brickB -type f -exec md5sum "{}" + | sort > brickB.txt
> $ diff -U 0 brickA.txt brickB.txt | sort -k 1.1,1.1 > A-B.diff
>
> Ignoring lines beginning with @@, +++ or --- , the lines beginning
> with - are in A but not B ... etc
>
Please disregard that, it won't work...
> [...]
>
> --
> Ahmad Samir
--
Ahmad Samir
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