On 20 February 2013 13:05, Audrius Butkevicius
<[email protected]> wrote:
> On 01/02/2013 10:30, Hugo Mills wrote:
>>
>> On Fri, Feb 01, 2013 at 09:59:49AM +0000, Audrius Butkevicius wrote:
>>>
>>> Add '-b' and '--bytes' options to btrfs filesystem df and show, for
>>> easier
>>> integration with scripts. This causes all sizes to be displayed in
>>> decimal
>>> bytes instead of pretty-printed with human-readable suffices KB, MB, etc.
>>
>> Please, not this way.
>>
>
> Hi Hugo,
>
> Just wanted to check which approach you'd prefer to see me adopt:
>
> 1. Providing an option which is handled near the entry point (prior going to
> commands), which would toggle a global flag to indicate the format.
>
> 2. An option in every function which uses pretty sizes. (Though -B seems to
> be used by scrub, -b is used by calc-size and mkfs utils, -u is used by
> subvolume list and so on, meaning the option might have to be different for
> different commands)
>
> 3. An environment variable BTRFS_UNITS, which when set to b[ytes], changes
> the behaviour of pretty printing. Avoids having to touch the multiple sets
> of ad-hoc option parsing code, but is perhaps a slightly non-standard
> interface.
>
> Thanks,
> Audrius.
Just for reference du and df use the following options:
-b, --bytes (du only)
-h, --human-readable
-k (equivalent to --block-size=1K)
--block-size=n[SUFFIX] (suffixes KB, MB, GB, ... mean 1000,
1000^2, 1000^3 ... and K, M, G, ... mean 1024, 1024^2, 1024^3, ...)
Mike
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