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bug#7042: df --help does not show `-m' option

From: Andreas Schwab
Subject: bug#7042: df --help does not show `-m' option
Date: Fri, 17 Sep 2010 19:07:47 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)

Pádraig Brady <address@hidden> writes:

> On 16/09/10 23:34, Paul Eggert wrote:
>> If we're going to make incompatible changes, I suggest that
>> we solve the problem once and for all, by having "df" choose
>> the default blocksize dynamically, based on the size of the
>> output line describing the smallest disk.  For example, where
>> "df" currently outputs this:
>> Filesystem   1K-blocks      Used Available Use% Mounted on
>> /dev/sda1    11620338002   1437021 11618900981   1% /r/opt
>> /dev/sda2     20971520   1335871  19635650   7% /home/eggert
>> "df" would notice that the smallest file system is between 1GB and 1TB,
>> so it would default to 1 GB blocks, as follows:
>> Filesystem  1GB-blocks      Used Available Use% Mounted on
>> /dev/sda1      11900GB       2GB   11898GB   1% /r/opt
>> /dev/sda2         22GB       2GB      21GB   7% /home/eggert
> That would break lots of scripts I'd say
> (they should use -P, but many don't).

You could use `df -Bauto' for that.


Andreas Schwab, address@hidden
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