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Top Forums UNIX for Dummies Questions & Answers How to format the output of df -h? Post 302900208 by seafan on Monday 5th of May 2014 12:01:23 PM
Old 05-05-2014
Question How to format the output of df -h?

Hi,

I need to format the output of the command "df -h":
Code:
 
$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rootvg-lv01
271G 13G 245G 6% /
tmpfs 16G 0 16G 0% /dev/shm
/dev/sda1 97M 50M 43M 55% /boot
/dev/mapper/d1vg-lv01
124G 105G 13G 90% /d0

I used awk:
Code:
 
df -h | awk '{printf "%-35s %10s %6s %6s %4s %s\n",$1,$2,$3,$4,$5,$6}'
Filesystem Size Used Avail Use% Mounted
/dev/mapper/rootvg-lv01
271G 13G 245G 6% /
tmpfs 16G 0 16G 0% /dev/shm
/dev/sda1 97M 50M 43M 55% /boot
/dev/mapper/d1vg-lv01
124G 105G 13G 90% /d0

The lines with shorter filesystems, like "tmpfs, /dev/sda1" came out fine, but the longer filesystems, like "/dev/mapper/rootvg-lv01" above, somehow the size got put to the next line, making that line shifted. I've experimented with different column width and couldn't fix it. How do I get those columns all aligned?

thanks!

J.

Moderator's Comments:
Mod Comment Please use code tags next time for your code and data. Thanks
 

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PVRESIZE(8)						      System Manager's Manual						       PVRESIZE(8)

NAME
pvresize - resize a disk or partition in use by LVM2 SYNOPSIS
pvresize [-d|--debug] [-h|--help] [-t|--test] [-v|--verbose] [--setphysicalvolumesizesize] PhysicalVolume [PhysicalVolume...] DESCRIPTION
pvresize resizes PhysicalVolume which may already be in a volume group and have active logical volumes allocated on it. OPTIONS
See lvm(8) for common options. --setphysicalvolumesize size Overrides the automatically-detected size of the PV. Use with care, or prior to reducing the physical size of the device. EXAMPLES
Expand the PV on /dev/sda1 after enlarging the partition with fdisk: pvresize /dev/sda1 Shrink the PV on /dev/sda1 prior to shrinking the partition with fdisk (ensure that the PV size is appropriate for your intended new parti- tion size): pvresize --setphysicalvolumesize 40G /dev/sda1 RESTRICTIONS
pvresize will refuse to shrink PhysicalVolume if it has allocated extents after where its new end would be. In the future, it should relo- cate these elsewhere in the volume group if there is sufficient free space, like pvmove does. pvresize won't currently work correctly on LVM1 volumes or PVs with extra metadata areas. SEE ALSO
lvm(8), pvmove(8), lvresize(8), fdisk(8) Sistina Software UK LVM TOOLS 2.02.44-cvs (02-17-09) PVRESIZE(8)
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