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Re: dd: what is iflag=directory for?
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From: |
Bernhard Voelker |
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Subject: |
Re: dd: what is iflag=directory for? |
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Date: |
Sat, 23 Aug 2014 12:30:57 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 08/23/2014 03:00 AM, Pádraig Brady wrote:
> On FreeBSD at least you can also _read_...
>
> $ mkdir test
> $ cd test
> $ touch a b
>
> $ dd if=. status=none | od -Ax -tx1z
> 000000 0c dd 31 00 0c 00 04 01 2e 00 00 00 12 d9 17 00 >..1.............<
> 000010 0c 00 04 02 2e 2e 00 00 0d dd 31 00 0c 00 08 01 >..........1.....<
> 000020 61 00 14 c1 0e dd 31 00 dc 01 08 01 62 00 14 c1 >a.....1.....b...<
> 000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >................<
> *
> 000200
>
> Honestly I don't see the usefulness of a low level read() like this,
> and I suppose it's file system dependent too, not working on NFS for example.
I see, thanks for confirming.
Have a nice day,
Berny