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bug#10915: 8.13: df -- overly long output lines are very hard to read


From: Voelker, Bernhard
Subject: bug#10915: 8.13: df -- overly long output lines are very hard to read
Date: Thu, 1 Mar 2012 11:56:37 +0100

Jim Meyering wrote:
> jaalto wrote:

> | >         -r, --reverse
> | >
> | >     $ df -Hlr
> | >
> | >     Size  Used Avail Use% Mounted-on Filesystem
> | >     6.0G  4.1G  1.7G  72% /             rootfs
> | >     192M     0  192M   0% /dev          udev
> | >      40M  1.5M   38M   4% /run          tmpfs
> | >     6.0G  4.1G  1.7G  72% /             
> /dev/disk/by-uuid/492764a5-7506-4489-8fd0-82d0d284d627
> | >     5.3M     0  5.3M   0% /run/lock     tmpfs
> | >      79M  7.9M   71M  10% /tmp          tmpfs
> | >      79M     0   79M   0% /run/shm      tmpfs
> | >     6.0G  4.1G  1.7G  72% /srv/cante.src 
> /dev/disk/by-uuid/492764a5-7506-4489-8fd0-82d0d284d627
> | >     6.0G  4.1G  1.7G  72% /srv/cante.tmp 
> /dev/disk/by-uuid/492764a5-7506-4489-8fd0-82d0d284d627
> | >      18G  8.1G  8.3G  50% /mnt/extent   /dev/sdb1
> | >      18G  8.1G  8.3G  50% /usr/src      /dev/sdb1
> | >      18G  8.1G  8.3G  50% /root/vc      /dev/sdb1

> I agree that your --reverse (but without the short-named '-r') would
> be a useful improvement, regardless.  That sounds reasonable for 8.16
> is someone writes the patch.  Even without the -r, you could still
> abbreviate the long name to "--r".

What about a more general --fmt (or --format) option to
just get the columns you want in the order you want?
E.g.

  df --format=size,free%,mnt,fs
or
  df --format=size-h,mnt  # <column name>-h or 
  df --format=Size,mnt    # uppercase Size meaning -h

Have a nice day,
Berny





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